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(Disclaimer: This should not be considered medical advice. Please check with medical practitioners on exact procedures.) <ul><li>Oxygen concentrators are the best alternative solution when there is an acute shortage of oxygen cylinders.</li><li>The role of oxygen cylinders or oxygen concentrators is to fulfill the oxygen needs of patients who aren’t able to get the desired amount on their own.</li><li>Here is a step-by-step guide on how to setup an <keyword id="6325969" type="General" weightage="20" keywordseo="oxygen-concentrator" source="Orion">oxygen concentrator</keyword> at home.</li></ul>As the second wave of COVID-19 pandemic wreaks havoc in the country, one of the most pressing concerns has been the shortage of oxygen supply to treat COVID positive patients. There is a high demand for oxygen cylinders and concentrators to critically save lives of people. Oxygen concentrators are the best alternative solution when there is an acute shortage of oxygen cylinders. People who are in dire need of oxygen can set up an oxygen concentrator at home without any hassle. It doesn’t need to be refilled or replaced. However, one should use it only if a doctor prescribes it to you. How does an Oxygen concentrator work? The role of oxygen cylinders or oxygen concentrators is to fulfill the oxygen needs of patients who aren’t able to get the desired amount on their own. Oxygen concentrators work the same way as oxygen cylinders. It is also a medical device to pump up the oxygen from ambient air. Oxygen concentrators suck air from the environment and remove the unwanted gases like nitrogen, concentrate oxygen and pump it through the pipe of patients, so that they can breathe pure oxygen. Concentrators can supply at least 5-10 litres of oxygen per day. Using oxygen concentrators has some advantages -- they are portable and have a continuous power source; they can work 24x7 and don't need to be replaced or refilled. Here is a step-by-step guide on how to setup an oxygen concentrator at home -- <ol><li>Oxygen concentrators should be placed at least 1-2 feet away from a wall because it needs enough space to circulate the air and tends to get hot upon continuous use.</li><li>Join the humidification bottle if your doctor has prescribed it to you. A humidification bottle is prescribed if the oxygen flow rate is greater than 2-3 litres per minute.</li><li>Connect the oxygen tubing to the humidification bottle or an adaptor. If you’re using a humidification bottle, insert your oxygen tubing into the port on the bottle or if you’re using an oxygen adaptor, attach the tubing to it in the same way. Use distilled water or filtered water only in the humidification bottle. Distilled water is the water which has been through the process of distillation i.e boiling the water and capturing the steam which rises from the water and allows the steam to condense. Whereas in reverse osmosis (RO), the water molecules are allowed to pass through but not the contaminants. </li><li>The concentrator will have an air filter that concentrates clean air, make sure you place that filter before using the machine. It should be washed at least once a week with warm water only and use it after it gets dried.</li><li>Start your oxygen concentrator at least 10-15 minutes prior using it as it takes a little while for the device to concentrate pure oxygen.</li><li>Don’t use extension cord to plug in the concentrator as it requires a lot of power to function and might risk fire as well.</li><li>You will hear the sound of processing once you switch it on. Always make sure to check the light which indicates that the device is working properly.</li><li>Before using it, locate the litre control knob which may be marked with litres per minute (LPM) such as 1, 2, 3. Set the knob to prescribed LPM. If not sure, please consult your doctor for clarification.</li><li>Please ensure that the tubing doesn’t have any kinks or bends as it may hamper the oxygen supply and also make sure there are no gaps in the sides of your mask you’re using to breathe.</li><li>In case if you’re using a nasal cannula, adjust it upwards into your nostrils for high levels of oxygen.</li></ol>SEE ALSO: <a href="https://www.businessinsider.in/tech/apps/news/battlegrounds-mobile-india-pre-registrations-to-begin-on-may-18/articleshow/82702403.cms">PUBG Mobile: Battlegrounds Mobile India pre-registrations to begin on May 18 – rewards, maps and more</a> <a href="https://www.businessinsider.in/business/startups/news/ratan-tata-backed-moglix-is-the-13th-unicorn-from-india-this-year/articleshow/82702143.cms">Ratan Tata-backed Moglix is the 13th unicorn from India this year</a> <a href="https://www.businessinsider.in/cryptocurrency/news/elon-musk-hints-that-tesla-may-dump-its-billion-dollar-bitcoin-investment/articleshow/82699553.cms">Elon Musk hints that Tesla may dump its billion dollar Bitcoin investment — here’s why his tweets have so much power</a>

COVID-19: Here’s a step-by-step guide on how to use an oxygen concentrator at home

In a show of solidarity, CEOs of some 40 top American companies have come together to create a <keyword id="5231964" type="ORGANIZATION" weightage="20" keywordseo="Global-Task-Force">global task force</keyword> to mobilise resources to help <keyword id="3658" type="LOCATION" weightage="20" keywordseo="India">India</keyword> fight the battle against <keyword id="8763838" type="UNKNOWN" weightage="20" keywordseo="covid-19">COVID-19</keyword>. A collective initiative of the US-India Business Council of the US Chambers of Commerce, and the US-India Strategic and Partnership Forum and Business Roundtable, the task force during its meeting here on Monday committed to get 20,000 <keyword id="9323420" type="UNKNOWN" weightage="20" keywordseo="oxygen-concentrators">oxygen concentrators</keyword> to India in the next few weeks, <keyword id="6358918" type="COMPANY" weightage="20" keywordseo="deloitte">Deloitte</keyword> CEO Puneet Renjen told PTI. The new US public-private partnership to provide India critical medical supplies, vaccines, oxygen and other life-saving assistance amid an unprecedented surge in coronavirus cases is called the Global Task Force on Pandemic Response: Mobilizing for India. The first-of-its-kind country-specific global task force to address a public health crisis in another country was addressed by US Secretary of State Tony Blinken. The conversation showed how the United States and India can leverage the expertise and capabilities of the US private sector towards solutions for India's COVID-19 crisis, Blinken said in a tweet. "A number of American companies have come together over the weekend. We are focused on doing our very best to help in any way that we possibly can. As the prime minister said, we were very confident, our spirits were up after successfully tackling the first wave, but this storm has shaken the nation. It is up to us to help in any way possible," Renjen said in response to a question. Observing that the first issue is around oxygen and its concentrators, Renjen said they have commitments to get 20,000 oxygen concentrators to India in the next few weeks. The first 1,000 will arrive in the middle of this week, he said, adding that by May 5, they expect another 11,000 oxygen concentrators to reach the country. "Our goal is to get 25,000, and maybe even a number higher than that," he added. The second issue is to look at oxygen cylinders with 10-litre and 45-litre capacity and to get <keyword id="11162015" type="UNKNOWN" weightage="20" keywordseo="other-supplies">other supplies</keyword> like monitoring kits, Renjen said. "I am very pleased with the fact that these companies have come together. We're working with the USISPF, as well as the USIBC and with the Business Roundtable to coordinate this effort to help India in any way that that is required, he said. Welcoming the call between Prime Minister Narendra Modi and President Joe Biden and the decision of the US to urgently send supplies to India, the Deloitte CEO reiterated that the two countries are natural allies. "I'm very heartened by the fact that the US government is going to step up and do its part," he said. The fight against COVID-19 is personal for him. Several family members of Renjen, who comes from Rohtak in India's Haryana, have contracted the disease. Around 2,000 of Deloitte's employees in India have been infected, he said. "We are facilitating individuals getting the vaccines. We are providing them medical assistance, home testing kits. This is being consistently done by all entities that have big footprints in India. That is really important to do," Renjen said. "We will do everything on our part to take care of our employees, like I believe every one of the multinationals that were on the call with me are committed to doing. But they have really stepped up," he said. "This is a real kudos to Indian talent," Renjen said. The task force also comprises representations from retail sector, e-commerce, pharmaceutical, technology industry and large manufacturing entities. "This global crisis requires a global response, and the American business community could not be better positioned, or more determined, to help lead the way, said Suzanne Clark, president and chief executive officer of the US Chamber of Commerce. It was wonderful to see everybody focused on making sure that they do their part, that they contribute. Out of that discussion, the first step that we came up with was these oxygen concentrators, Renjen said. Our point to the US government is to provide assistance (to India), wherever it's requested, he added. These US companies are coordinating with the Indian Ambassador to the US, Taranjit Singh Sandhu. Earlier in the week, he gave us the list of items that are of critical need, Renjen said. The list includes oxygen concentrators, oxygen generators, two critical medicines that he wanted to see if the US government can release, monitoring kits, and encouraging the US government to ease supply of critical materials for vaccines. Responding to a question, Renjen exuded confidence that India would overcome this. This too shall pass. I am very confident in my Indian brothers and sisters; we will overcome this, he said. I don't think we need to panic. We listen to the scientists and listen to the people that are managing this in the country. I think we just have to navigate through it. We will have two or three weeks of very difficult times. "It is a tragic situation, particularly for people that have <keyword id="8764262" type="COMPANY" weightage="20" keywordseo="covid">COVID</keyword> or who have lost loved ones. My heart goes out to them, but we are going to do our part, Renjen said. SEE ALSO: <a href="https://www.businessinsider.in/tech/news/sundar-pichai-and-satya-nadella-will-use-google-and-microsoft-resources-and-technology-to-support-india-during-the-covid19-crisis/articleshow/82253126.cms">From Sundar Pichai to Satya Nadella – Indian-Americans wake up to the COVID-19 crisis at home</a> <a href="https://www.businessinsider.in/science/health/news/covid-19-what-is-proning-and-how-can-it-help-you-increase-oxygen-levels-at-home/articleshow/82251671.cms">COVID-19 – What is proning and how can it help you increase oxygen levels at home</a> <a href="https://www.businessinsider.in/business/startups/news/upgrad-gets-its-first-external-funding-from-singapore-based-temasek/articleshow/82253861.cms">Edtech startup upGrad gets its first external funding – a $120 million cheque from Temasek</a> <a href="https://www.businessinsider.in/science/health/news/maharashtra-kerala-and-chhattisgarh-states-are-on-top-covid-19-positivity-rate-in-india/articleshow/82254421.cms">COVID-19: These are the five states in India with the highest positivity rates</a>

About 40 chief executives of US companies come together to create global task force to help India combat COVID-19

The Indian space agency has announced its decision to transfer the technology to make portable medical <keyword id="6355647" type="UNKNOWN" weightage="20" keywordseo="Oxygen">oxygen</keyword> concentrators developed by the <keyword id="6382619" type="COMPANY" weightage="20" keywordseo="Vikram-Sarabhai-Space-Centre">Vikram Sarabhai Space Centre</keyword> (<keyword id="267271" type="COMPANY" weightage="20" keywordseo="VSSC">VSSC</keyword>). The Indian Space Research Organisation (<keyword id="6358064" type="COMPANY" weightage="20" keywordseo="isro">ISRO</keyword>) said that its rocket centre VSSC has developed medical oxygen concentrator '<keyword id="83725" type="PERSON" weightage="20" keywordseo="Shwaas">Shwaas</keyword>', which can deliver an enriched level (over 95 per cent) of oxygen than in <keyword id="44509" type="CITY" weightage="20" keywordseo="air">air</keyword> to support patients with respiratory illness or who are on oxygen therapy. The device enhances the oxygen gas content by selectively separating the nitrogen gas from ambient air through Pressure Swing Adsorption (PSA), it said. Shwaas is capable of supplying enriched oxygen continuously at 10 litres per minute (LPM) adequate for two patients at a time. According to the ISRO, the 600 W device operates at a voltage of 220 V/50 Hz, has a controllable oxygen flow of 0.5-10 LPM, has two oxygen outlets, oxygen concentration of 82 per cent and 95 per cent normal at a pressure of 50-80 kPa Shwaas has audible alarm for low purity, low &amp; high levels of pressure and flow rate of oxygen. The device, which weighs 42-44 kg, is 600 mm high, 500 mm long and 400 mm wide and has a <keyword id="6381337" type="COMPANY" weightage="20" keywordseo="LCD">LCD</keyword> display showing oxygen concentration, flow rate, and pressure. SEE ALSO: <a href="https://www.businessinsider.in/science/health/news/how-to-use-oxygen-concentrator-at-home/articleshow/82705333.cms">COVID-19: Here’s a step-by-step guide on how to use an oxygen concentrator at home</a> <a href="https://www.businessinsider.in/business/telecom/news/check-out-airtel-and-reliance-jio-low-cost-plans-free-recharge-packs-and-covid-benefits/articleshow/82703621.cms">Airtel, Reliance Jio announce free recharge packs and benefits for subscribers – check out which telco has the best offers</a>

ISRO announces its decision to share technology to make portable medical oxygen concentrators developed by VSSC

<ul class="summary-list"><li>An Insider reporter tried an <keyword id="6355647" type="UNKNOWN" weightage="60" keywordseo="oxygen" source="Orion">oxygen</keyword> bar in Lakewood, <keyword id="11918419" type="UNKNOWN" weightage="60" keywordseo="colorado" source="Orion">Colorado</keyword> for anxiety and altitude sickness.</li><li>It cost $15.99 to inhale scented oxygen for 20 minutes.</li></ul>After arriving in Colorado, where I was staying at a ranch some 8,000 feet above sea level, I'd been struggling with altitude sickness. I'd felt tired, out of breath, and a little queasy for a couple of days.It is to be expected when your body struggles to adapt to a sudden increase in elevation. After all, I'd traveled from London, England, only 36 feet above sea level.I also felt a little anxious, which isn't unusual given that I suffer from <a href="https://www.insider.com/guides/health/mental-health/generalized-anxiety-disorder-symptoms#:~:text=Generalized%20anxiety%20disorder%20is%20characterized,the%20stressor%20has%20been%20resolved.">Generalized Anxiety Disorder.</a>Having heard from locals that oxygen bars could help me with my anxiety and altitude sickness, I thought I'd give one a go.<div type="image" title="Sun Spa in Lakewood, Colorado" height="503" width="671" msid="93074277" hostid="261" sizebytes="45422"></div>I went to Sun Spa Tanning &amp; Day Spa in Lakewood, Colorado, an unassuming establishment in a retail park on the outskirts of Denver, where you can inhale flavored oxygen for 20 minutes for $15.99."A lot of people come here when they're on vacation because they can't handle the altitude," said Courtney Ruiz, the spa's manager, as she prepared my booth in the oxygen bar for me."Altitude sickness is probably the top one," she continued. "But hangovers and things like that are also popular."Hangovers and altitude sickness are the main benefits Colorado's oxygen bars tout, but, according to a handbook I was given as I placed the cannula in my nose, there is a whole range of other benefits.<div type="image" title="The supposed benefits of oxygen bars, according to a handbook." height="2274" width="3024" msid="93074279" hostid="261" sizebytes="348884"></div>Oxygen bars can heighten alertness, strengthen your immune system, counter aging, and lessen chronic fatigue, the handbook said.Clinicians, however, aren't convinced. "There has been no scientific research that this extra shot of pure oxygen has any benefits," said Dr. George Boyer, MD, chief of pulmonary and critical care at Mercy Medical Center in Baltimore, per <a href="https://www.webmd.com/balance/features/rise-of-oxygen-bars">WebMD.</a>There are no long-term, well-controlled scientific studies to support the idea that recreational oxygen bars are a cure-all treatment.And technically, recreational oxygen bars violate FDA regulations because oxygen is considered a prescription drug. Insider contacted the FDA for comment. The federal agency provided a link to a <a href="https://www.fda.gov/consumers/consumer-updates/pulse-oximeters-and-oxygen-concentrators-what-know-about-home-oxygen-therapy">consumer update</a> that notes that while prescribing oxygen therapy for those suffering from chronic <keyword id="11894571" type="UNKNOWN" weightage="100" keywordseo="health" source="Orion">health</keyword> conditions, such as lung cancer, can be beneficial, using unprescribed oxygen concentrators can do "more harm than good."Oxygen bars, if not administered properly, can lead to oxygen toxicity, the update said. For people with emphysema, a condition in which the air sacs in the lungs are damaged, it can cause them to stop breathing, according to FDA.Knowing the potential risks, I decided to go ahead with my oxygen bar trial.<div type="image" title="There were four flavors of oxygen to choose from." height="2274" width="3024" msid="93074282" hostid="261" sizebytes="209800"></div>First, I had to choose the flavor I wanted for my oxygen. There were four to choose from. I selected the lavender and balsam scent. I was then given a bottle of chilled water, which, I was told, would "improve" my 20-minute experience.Ruiz told me to breathe in through my nose, out through my mouth, and to sit back and relax for the duration of the session.<h2>'I wasn't sure if I was doing it right'</h2>At first, I couldn't taste or smell the lavender. Other than the annoying sensation of having a cannula in my nose, I felt no different from how I had felt minutes before.I wasn't sure if I was doing it right as I was expecting, I suppose, a blast of energy or an overwhelming sense of relaxation, but instead, I felt nothing.Over time, I started to feel more relaxed, but I wasn't sure how much of this was the oxygen and how much could be attributed to my deep breathing.When my 20 minutes were up, I felt pretty relaxed. My breathing felt slightly less shallow, albeit for only a few minutes, but that could have been the placebo effect.As I left the spa just a few minutes later, I felt no different from how I'd felt entering it. My breathing was, once again, slightly labored, and my anxious thoughts had returned.The experience was pleasant, but the results were underwhelming and short-lived. Ultimately, $15.99 seemed too much to breathe in lightly-scented air.

You can inhale flavored air at this oxygen bar in Colorado for $16. I tried it for anxiety and altitude sickness but the results were underwhelming.

<ul class="summary-list"><li>"<keyword id="6361813" type="UNKNOWN" weightage="60" keywordseo="brain">Brain</keyword> foods" are the most helpful items to eat or drink for optimal brain <keyword id="6354750" type="UNKNOWN" weightage="100" keywordseo="health">health</keyword>.</li><li>The three best brain foods are blueberries, walnuts, and fatty fish.</li><li>Vegetarians can get similar brain benefits from eating healthy fats like olive oil and avocados.</li></ul>The foods we eat can significantly affect our mood, emotions, and cognitive abilities. <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2805706/" target="_blank" rel="noopener">"Brain food"</a> is a term used to describe the most helpful items to eat and drink for optimal brain health. These foods can help strengthen brain functions such as memory, concentration, and more.Many of these foods contain healthy components such as <a href="https://www.insider.com/omega-3-benefits" target="_blank" rel="noopener">omega-3 fats,</a> which can help fend off <a href="https://www.businessinsider.com/alzheimers-and-dementia-misconceptions-and-surprising-facts-2018-10" target="_blank" rel="noopener">dementia.</a> Others may be high in <a href="https://www.insider.com/what-are-antioxidants-good-for" target="_blank" rel="noopener">antioxidants,</a> which stimulate the flow of oxygen and blood to the brain while also decreasing <a href="https://www.insider.com/what-is-an-anti-inflammatory-diet" target="_blank" rel="noopener">inflammation</a>. "The key is eating non-processed foods, which unfortunately comprise most of the standard American diet," says <a href="https://uacomp.resoapps.com/RA101463-Shad_Fani_Marvasti/biography/index.hml" target="_blank" rel="noopener">Shad Marbasti, MD</a>, associate professor of family community and preventive medicine at the Arizona College of Medicine in Phoenix. "Once you get into real foods, there are nutrients, chemicals, and healthy fats that help brain function. The three big winners are blueberries, walnuts, and fatty fish."With that in mind, below is a list of the top foods to eat for a healthy brain, and what makes them so nutritious.<h2>Berries</h2>Berries pack a big nutritious punch, mostly thanks to a <a href="https://www.nrronline.org/article.asp?issn=1673-5374;year=2014;volume=9;issue=16;spage=1557;epage=1566;aulast=Subash" target="_blank" rel="noopener">plant chemical compound called anthocyanins</a>, which are the <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5613902/" target="_blank" rel="noopener">antioxidant pigments</a> that give red, purple, and blue plants their color. These bite-sized fruits can reduce inflammation, preserve brain cells, and helpscells communicate - and in turn, reduce the risk for neurodegenerative diseases like <a href="https://www.insider.com/negative-thinking-linked-to-dementia-later-in-life-study-finds-2020-6" target="_blank" rel="noopener">dementia.</a> According to Marbasti, blueberries have the most health benefits. While the majority of controlled human trials have studied <a href="https://njaes.rutgers.edu/sshw/message/message.php?p=Health&amp;m=350=350" target="_blank" rel="noopener">blueberries</a>, other common berries that have been found to boost brain health include:<ul><li>Strawberries</li><li>Blackcurrants</li><li>Bilberries</li><li>Blackberries</li><li>Mulberries</li><li>Raspberries</li></ul>What the research says: According to a study published in <a href="https://www.nrronline.org/article.asp?issn=1673-5374;year=2014;volume=9;issue=16;spage=1557;epage=1566;aulast=Subash" target="_blank" rel="noopener">Neural Regeneration Research</a>, the natural antioxidant and anti-inflammatory elements of berries reduce stress and inflammation in the brain.<h2>Nuts </h2>Many types of nuts are brain-healthy snacks that are <a href="https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/improve-brain-health-with-the-mind-diet/art-20454746#:~:text=Snack%20on%20nuts%20(and%20pass,for%20its%20brain%2Dprotective%20qualities." target="_blank" rel="noopener">rich in vitamin E</a>. This protects the brain from <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4276978/#:~:text=Vitamin%20E%20is%20an%20important,a%20major%20contributor%20to%20neurodegeneration." target="_blank" rel="noopener">oxidative stress:</a> an imbalance in the body that can lead to cell and tissue damage. <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7071526/" target="_blank" rel="noopener">Walnuts</a> in particular help with memory, anxiety, and learning. They contain large amounts of a plant-based fatty acid called <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2882748/" target="_blank" rel="noopener">n-3 α-linolenic acid</a> that has anti-inflammatory effects. Aside from walnuts, the best nuts for brain health <a href="https://www.nm.org/healthbeat/healthy-tips/nutrition/best-food-for-a-healthy-brain" target="_blank" rel="noopener">include</a>: <ul><li>Pistachios </li><li>Macadamia </li><li>Almonds</li><li>Hazelnuts</li></ul><h2>Fatty fish</h2>The human brain is <a href="https://pubmed.ncbi.nlm.nih.gov/20329590/#:~:text=The%20human%20brain%20is%20nearly,integrity%20and%20ability%20to%20perform." target="_blank" rel="noopener">nearly 60% fat</a>, so it needs plenty of healthy fats to function well. Fish like salmon and mackerel contain <a href="https://pubmed.ncbi.nlm.nih.gov/10479465/" target="_blank" rel="noopener">docosahexaenoic acid</a> - the type of omega-3 fatty acid <a href="https://www.nature.com/articles/s41598-017-11766-0" target="_blank" rel="noopener">best absorbed</a> by the brain - compared to plant-based sources, like flax seeds.Omega-3 fats <a href="https://www.health.harvard.edu/staying-healthy/do-omega-3s-protect-your-thinking-skills" target="_blank" rel="noopener">perform several jobs</a>, including the building of cell membranes in your brain that protect from deterioration.<h2>Eggs</h2>Eggs are a <a href="https://www.insider.com/brown-eggs-vs-white-eggs" target="_blank" rel="noopener">common breakfast food</a> rich in the essential nutrient choline, which is needed by <a href="https://www.health.harvard.edu/healthy-eating/eggs-and-your-health#:~:text=Eggs%20are%20a%20nutritious%20food,by%20nerves%20and%20the%20brain." target="_blank" rel="noopener">nerves and the brain</a>. <a href="https://www.hsph.harvard.edu/nutritionsource/choline/" target="_blank" rel="noopener">Choline</a> is converted into a neurotransmitter called acetylcholine, which plays a role in brain functions like memory and focus. Though many people eat only egg whites to reduce calorie and fat intake, yolks are where the high concentrations of choline are found.<h2>Leafy greens</h2>Leafy green salad bases contain <a href="https://www.nia.nih.gov/news/leafy-greens-linked-slower-age-related-cognitive-decline" target="_blank" rel="noopener">high levels</a> of nutrients like <a href="https://www.insider.com/folate-vs-folic-acid" target="_blank" rel="noopener">folate</a>, lutein, and vitamin E, which protect the brain against cognitive decline. <a href="https://n.neurology.org/content/90/3/e214" target="_blank" rel="noopener">A 2018 study</a> suggests about one daily serving of leafy greens can slow age-related memory loss.The best leafy greens for brain health are those packed with antioxidants and vitamins like <a href="https://www.aoa.org/healthy-eyes/caring-for-your-eyes/diet-and-nutrition?sso=y" target="_blank" rel="noopener">lutein</a>, which is known for its effects on eye and brain health. Other leafy greens include: <ul><li><a href="https://www.insider.com/spinach-benefits" target="_blank" rel="noopener">Spinach</a></li><li>Kale</li><li>Collard greens</li></ul>What the research says: <a href="https://n.neurology.org/content/90/3/e214" target="_blank" rel="noopener">The American Academy of Neurology</a> suggests one daily serving of leafy greens may slow age-related memory loss.<h2>Pumpkin seeds </h2>Whether scooped right from the pumpkin or bought separately, <a href="https://www.insider.com/pumpkin-seeds-benefits" target="_blank" rel="noopener">pumpkin seeds</a> are a brain-healthy snack to keep around, as long as they are not roasted with extra sugar as that may take away from the beneficial antioxidants.They are rich in <a href="https://www.insider.com/what-is-zinc-good-for" target="_blank" rel="noopener">zinc</a>, which aids in regulating the <a href="https://pubmed.ncbi.nlm.nih.gov/7082716/#:~:text=Zinc%20plays%20an%20important%20role,protein%20synthesis%20during%20brain%20development." target="_blank" rel="noopener">communication between brain cells</a>, helping the formation of memories.<h2>Coffee </h2><a href="https://www.insider.com/is-coffee-good-for-you-science-says-yes-moderation-2020-7" target="_blank" rel="noopener">Coffee</a> does more than provide an early-morning <a href="https://www.businessinsider.com/best-coffee-brand" target="_blank" rel="noopener">pick-me-up</a>. The caffeine in coffee is <a href="https://pubmed.ncbi.nlm.nih.gov/26677204/" target="_blank" rel="noopener">linked</a> to better concentration, improved mood, increased energy, and the prevention of cognitive decline. However, caffeine should be consumed in moderation. The FDA <a href="https://www.fda.gov/consumers/consumer-updates/spilling-beans-how-much-caffeine-too-much#:~:text=For%20healthy%20adults%2C%20the%20FDA,it%20(break%20it%20down)." target="_blank" rel="noopener">recommends</a> 400 milligrams a day - that's about four or five cups of coffee. Exceeding that amount can have negative side effects such as an upset stomach, headaches, and insomnia. It is best to drink coffee with a little cream, milk, or sugar to get the most benefits. Specialty coffees should be saved for a special occasion as they are often calorie-dense and high in sugar, which increases inflammation.<h2>Green tea</h2>Long known for its health benefits, <a href="https://www.insider.com/green-tea-benefits" target="_blank" rel="noopener">green tea</a> has been <a href="https://pubmed.ncbi.nlm.nih.gov/28899506/" target="_blank" rel="noopener">shown</a> to reduce anxiety and improve memory and attention. This is partly due to caffeine, but green tea also contains a plant chemical called L-theanine, which <a href="https://pubmed.ncbi.nlm.nih.gov/28056735/" target="_blank" rel="noopener">improves</a> calmness and reduces tension. Because green tea <a href="https://www.hsph.harvard.edu/nutritionsource/caffeine/" target="_blank" rel="noopener">contains less caffeine</a> than coffee, more can safely be consumed - up to eight cups a day compared to four or five.<h2>Oranges</h2>This vitamin C-rich fruit isn't just good for the common cold. The <a href="https://www.insider.com/what-does-vitamin-c-do" target="_blank" rel="noopener">vitamin C</a> in oranges and other fruits and vegetables - such as bell peppers, strawberries, Brussel sprouts and broccoli - also plays a <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2649700/" target="_blank" rel="noopener">crucial role</a> in mood and memory. It may also protect against <a href="https://www.insider.com/what-is-a-stroke" target="_blank" rel="noopener">stroke</a>, Alzheimer's disease, <a href="https://www.nia.nih.gov/health/parkinsons-disease#:~:text=Parkinson%27s%20disease%20is%20a%20brain,have%20difficulty%20walking%20and%20talking." target="_blank" rel="noopener">Parkinson's disease</a>, and Huntington's <a href="https://www.alz.org/alzheimers-dementia/what-is-dementia/types-of-dementia/huntington-s-disease?utm_source=google&amp;utm_medium=paidsearch&amp;utm_campaign=google_grants&amp;utm_content=types_of_dementia&amp;gclid=Cj0KCQiA34OBBhCcARIsAG32uvMMYCXEn1vPnVzeW7CLHise-whKaf0yDMedj_SCTL9-yShw6iaRS10aAqF7EALw_wcBS10aAqF7EALw_wcB" target="_blank" rel="noopener">disease,</a> which may all have negative effects on brain function.<h2>Turmeric </h2><a href="https://www.insider.com/health-benefits-of-turmeric" target="_blank" rel="noopener">Turmeric boasts plenty of health benefits</a>. Curcumin, a compound that gives this spice its gold color, has been <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2781139/" target="_blank" rel="noopener">found</a> to help fight Alzheimer's disease. Researchers have <a href="https://www.sciencedirect.com/science/article/pii/S1064748117305110?via%3Dihub" target="_blank" rel="noopener">linked</a> turmeric to improved memory and mood in people with age-related memory loss. In a <a href="https://www.sciencedirect.com/science/article/pii/S1064748117305110?via%3Dihub" target="_blank" rel="noopener">small 2014 study</a>, people ranging in age from 51-84 were split into two groups: those who took 90 mg of curcumin twice daily for 18 months, and those who did not. Those who took the curcumin showed improved memory and focus. <h2>Dark chocolate </h2> This treat is much healthier than its milk- and white-chocolate counterparts. That's because it contains <a href="https://www.health.harvard.edu/blog/your-brain-on-chocolate-2017081612179" target="_blank" rel="noopener">flavanols</a>, a type of flavonoid, which is a plant-based substance with anti-inflammatory and antioxidant properties. One comprehensive <a href="https://www.ncbi.nlm.nih.gov/pubmed/28560212" target="_blank" rel="noopener">review</a> found dark chocolate improved memory, brain blood flow, and oxygen levels. It has also been <a href="https://universityhealthnews.com/daily/memory/2-chocolate-benefits-for-your-brain-improves-memory-and-mood/" target="_blank" rel="noopener">shown</a> to improve depression, anxiety, and enhance feelings of calmness.<h2>Insider's takeaway</h2>When it comes to getting the right nutrients for your brain, it is important to avoid what Marbasti calls "Frankenfoods" - in other words, <a href="https://www.hsph.harvard.edu/nutritionsource/processed-foods/" target="_blank" rel="noopener">processed foods</a> that have undergone many changes to their natural state. These are generally thought to be inferior to unprocessed foods, and are often pre-packaged, containing many ingredients, artificial colors, flavors, or other chemical additives. Instead, stick to foods in their raw state, like fruits, vegetables, and fish. For vegetarians, Marbasti says they can get the same type of brain benefits from eating other healthy fats like olive oil and avocados."When I say, 'eat the rainbow,' I don't mean colorful candy," Marbasti says. "Make sure you get plenty of nuts, seeds, and berries, and throw in some greens. Refined grains and excess sugar won't do anything good for brain health."<h2>Related articles from <a href="https://www.insider.com/health-reference" target="_blank" rel="noopener">Health Reference</a>:</h2><ul><li><a href="https://www.insider.com/foods-that-battle-depression" target="_blank" rel="noopener">The foods that fight depression and keep you happy</a></li><li><a href="https://www.insider.com/is-greek-yogurt-good-for-you" target="_blank" rel="noopener">Greek yogurt is packed with more than just protein - here are all the essential vitamins and minerals that make Greek yogurt healthier than regular yogurt</a></li><li><a href="https://www.insider.com/green-tea-benefits" target="_blank" rel="noopener">5 benefits of green tea and how it can help your memory, skin, and bones</a></li><li><a href="https://www.insider.com/cinnamon-benefits" target="_blank" rel="noopener">4 science-backed health benefits of cinnamon and how to add more to your diet</a></li><li><a href="https://www.insider.com/magnesium-deficiency" target="_blank" rel="noopener">How to recognize the symptoms of magnesium deficiency and effectively treat it</a></li></ul>

11 brain foods that benefit memory, concentration, and mood

<ul><li>The national capital of India may be facing a <keyword id="6355017" type="UNKNOWN" weightage="20" keywordseo="water-shortage">water shortage</keyword> over the next three days.</li><li>The water shortage will not only impact the general population, but also hospitals, which are currently reeling from the surge in COVID-19 patients.</li><li>According to the Delhi Jal Board (DJB), Haryana is to blame for reducing the supply of water by 20% to 30% as well as making the water dirtier.</li><li>The DJB has filed a petition with the Supreme Court to address the issue. The court will hear the cases tomorrow on May 6.</li></ul>India’s national capital, New Delhi, has been under lockdown for nearly three weeks now, due to the surging number of COVID-19 cases. And a water shortage will only make things worse. The city is already facing a number of shortages as it is, from vaccines to oxygen to medical supplies. The administration in Delhi saw this coming, more than a month ago. The vice chairman of the Delhi Jal Board (DJB), Raghav Chaddha, claims he has even written multiple letters to the Haryana Chief Minister to address the issue, but no resolution has been offered. With no other option on the table, the DJB finally moved the Supreme Court to help the national capital in its moment of crisis. It told the apex court that there is a critical shortage in water being supplied from the neighbouring states of Punjab and Haryana. Not only will the people in the city suffer at large, the water shortage could hit hospitals as well -- the same hospitals which are currently understaffed and overrun with COVID-19 patients. <div type="ExtQuote" text="&quot;Due to depletion of levels at Wazirabad Pond and reduction in the release of raw water by Haryana into Yamuna, water production has been curtailed from the water treatment plants at Wazirabad, Chandrawal and Okhla.”" auname="Notification by the Delhi Jal Board on May 5"></div> The bench, headed by Chief Justice of India (CJI) Nuthalapati Venkata Ramana, has decided to hear the matter tomorrow on May 6. <cmsannotation type="cmsannotation" annotationid="How bad is the water situation in Delhi?" comment="subhead" text="How bad is the water situation in Delhi?">How bad is the water situation in Delhi?</cmsannotation> The Yamuna River in Delhi gets around 250 million gallons of raw water from the Upper Ganga Canal. As of April, that flow was down to around which means only around 200 million gallons of water is coming in. As a result there was a shortage of water at the Sonia Vihar and Bhagirathi water treatment plants. To make matters worse, the water is dirtier than it used to be. The high ammonia concentration in the Yamuna has affected the productivity of the water treatment plants in Chandrawal and Wazirabad. These two plants are responsible for churning out an average of 228 million gallons of water a day for the people of Delhi. As per the latest estimates, levels at the Wazirabad water treatment plant have fallen by over 1% from the standard level of 674.5 feet to 667.2 feet of water. <cmsannotation type="cmsannotation" annotationid="Delhi saw the water shortage coming" comment="subhead" text="Delhi saw the water shortage coming">Delhi saw the water shortage coming</cmsannotation> This is not the first time that the DJB has had to go to the Supreme Court. On March 23, the DJB told the bench headed by CJI Sharad Arvind Bobde that Haryana has plans to cut 20% of its water to Delhi to repair work in one of its canals. Senior advocate AM Singhvi and advocate Gautam Narayan, appearing for the DJB, urged the court to order Haryana to postpone the work. They argued that a reduction in water supply during the peak summer months would adversely affect the national capital. At the time, the Supreme Court had ordered Haryana, as well as Punjab and the Bhakra Beas Management Board, to not make any changes to the supply of water to Delhi until April 6. The court then extended the water supply order to April 14. The following week, on April 19, the Supreme Court appointed a committee to conduct a local inspection with regard to the quality and quantity of water coming in from Haryana to Delhi. Disputes of water between Delhi and Haryana are not new. They happen every summer when the supply of water is limited and the national capital is dependent on its neighbour to ensure adequate supply. The only difference this time is the pandemic, which is putting the spotlight back on an already ongoing battle for survival. <cmsannotation type="cmsannotation" annotationid="This is the full list of areas in Delhi that are likely to be impacted by the water shortage between May 6 to May 8" comment="subhead" text="This is the full list of areas in Delhi that are likely to be impacted by the water shortage between May 6 to May 8">This is the full list of areas in Delhi that are likely to be impacted by the water shortage between May 6 to May 8</cmsannotation> <ol><li>Civil Lines</li><li>Hindu Rao Hospital and adjoining areas</li><li>Kamla Nagar</li><li>Shakti Nagar and adjoining areas</li><li>Karol Bagh</li><li>Pahar Ganj and NDMC areas</li><li>Old and New Rajinder Nagar</li><li>East and West Patel Nagar</li><li>Baljeet Nagar</li><li>Prem Nagar</li><li>Inderpuri and adjoining areas</li><li>Kalkaji</li><li>Govindpuri</li><li>Tughlakabad</li><li>Sangam Vihar</li><li>Ambedkar Nagar</li><li>Prahladpur and adjoining areas</li><li>Ramleela Ground</li><li>Delhi Gate</li><li>Subhash Park</li><li>Model Town</li><li>Gulabi Bagh</li><li>Punjabi Bagh</li><li>Jahangirpuri</li><li>Moolchand</li><li>South Extension</li><li>Greater Kailash</li><li>Burari and adjoining areas</li><li>Parts of the Cantonment areas, South Delhi, Central Delhi, West Delhi and North Delhi</li></ol>SEE ALSO:<a href="https://www.businessinsider.in/stock-market/news/banks-respond-positively-to-indian-central-banks-covid-stimulus-package-check-out-the-list-of-top-gainers/articleshow/82400850.cms">Banks respond positively to Indian central bank’s COVID stimulus package – check out the list of top gainers</a> <a href="https://www.businessinsider.in/science/space/news/chinse-space-station-rocket-to-hit-earth-being-tracked-by-the-pentagon-us-space-command/articleshow/82402617.cms">The Pentagon has its eye on the out-of-control Chinese rocket that is expected to crash into Earth — but it’s not anything to lose sleep over</a> <a href="https://www.businessinsider.in/india/news/private-ambulances-in-gurgaon-are-on-strike-amid-the-surging-cases-of-covid-19/articleshow/82404211.cms">COVID-19 patients are the ones paying the price amid the tussle over rates between the government and ambulance operators in Gurgaon</a>

Water shortage might be on the way to worsen Delhi's COVID-19 crisis

<ul class="summary-list"><li>Normal blood oxygen level is either 95%-100% SpO2 on an oximeter or 80-100 mm Hg from an ABG test.</li><li>ABG tests are more accurate than pulse oximeters, which have a margin of error of 2%-4%.</li><li>Chronic lung conditions and infections like COVID-19 can cause dangerously low blood oxygen levels.</li></ul>Normal blood oxygen levels mean that there is enough oxygen in your red blood cells to keep your vital organs and tissues functioning properly.Related Article Module: How a small device called a pulse oximeter measures blood oxygen levelsYou can easily check your blood oxygen levels with an oximeter, which provides readings in units of SpO2, a measure of oxygen saturation. A normal blood oxygen level for a healthy adult or child is typically around <a href="https://www.health.state.mn.us/diseases/coronavirus/pulseoximeter.html" target="_blank" rel="noopener">95% to 100% SpO2</a>, says <a href="https://www.yalemedicine.org/specialists/lauren_ferrante" target="_blank" rel="noopener">Lauren Ferrante</a>, MD, a pulmonologist at <a href="https://www.yalemedicine.org/" target="_blank" rel="noopener">Yale Medicine</a>. When SpO2 dips into the low 90s or below, it can lead to a condition called <a href="https://my.clevelandclinic.org/health/diseases/17727-hypoxemia" target="_blank" rel="noopener">hypoxemia</a> - meaning low blood oxygen levels - which can damage your brain and heart and, in severe cases, prove fatal. There are certain infections and chronic <keyword id="6354750" type="UNKNOWN" weightage="100" keywordseo="health">health</keyword> conditions that may reduce blood oxygen levels to dangerously low levels.<h2>Causes and symptoms of low blood oxygen levels</h2>Some of the most common causes of hypoxemia are <a href="https://my.clevelandclinic.org/health/diseases/17727-hypoxemia" target="_blank" rel="noopener">heart and lung conditions</a>, including heart disease, sleep apnea, asthma, bronchitis, emphysema, pneumonia, chronic obstructive pulmonary disease (aka COPD), and <a href="https://www.hopkinsmedicine.org/health/conditions-and-diseases/coronavirus/what-coronavirus-does-to-the-lungs" target="_blank" rel="noopener">COVID-19</a>.Note: For some people, like those with chronic lung conditions, a <a href="https://www.peacehealth.org/medical-topics/id/acl4222" target="_blank" rel="noopener">lower</a> oxygen level between 88% to 93% SpO2 may be considered normal, says Ferrante.Low blood oxygen, aka hypoxemia, can cause <a href="https://www.mayoclinic.org/symptoms/hypoxemia/basics/causes/sym-20050930" target="_blank" rel="noopener">symptoms</a> like:<ul><li>Shortness of breath</li><li>Headache</li><li>Lightheadedness</li><li>Confusion</li><li>Restlessness</li><li>If left for too long your skin may turn blue, a condition called cyanosis</li></ul>According to the <a href="https://www.thoracic.org/patients/patient-resources/resources/pulse-oximetry.pdf" target="_blank" rel="noopener">American Thoracic Society</a> (ATS), having a blood oxygen level below 89% SpO2 for a short period of time may not cause any harm. However, your cells - particularly those in your heart and brain - may be strained or damaged if low blood oxygen levels <a href="https://my.clevelandclinic.org/health/diseases/17727-hypoxemia" target="_blank" rel="noopener">persist</a> for a long time or if your oxygen levels drop repeatedly. Important: While checking your <a href="https://www.houstonmethodist.org/blog/articles/2020/aug/can-an-oximeter-help-detect-covid-19-at-home/" target="_blank" rel="noopener">blood oxygen level</a> with a pulse oximeter isn't a substitute for a <a href="https://www.insider.com/best-at-home-covid-19-tests" target="_blank" rel="noopener">COVID-19 test</a>, it can help indicate that your condition is more serious than it seems. In severe cases, if your brain is getting less oxygen, the cells can start dying within <a href="https://medlineplus.gov/ency/article/001435.htm" target="_blank" rel="noopener">five minutes</a>. These conditions could potentially lead to <a href="https://medlineplus.gov/ency/article/001435.htm" target="_blank" rel="noopener">brain damage or death</a>. <h2>How to measure blood oxygen levels with a pulse oximeter</h2>Whether you're measuring your own blood oxygen levels at home or you're at a medical practitioner's, you'll typically use something called a <a href="https://www.insider.com/what-is-a-pulse-oximeter" target="_blank" rel="noopener">pulse oximeter</a>, which is a small device that gently clips onto the end of your finger, says Ferrante. Checking your oxygen level with a pulse oximeter is a painless, non-invasive procedure that only takes a few minutes to set up. In fact, you can <a href="https://www.insider.com/best-pulse-oximeters" target="_blank" rel="noopener">purchase a pulse oximeter</a> to check your oxygen levels at home for as low as <a href="https://www.yalemedicine.org/news/covid-pulse-oximeter" target="_blank" rel="noopener">$25</a>, says Ferrante. Oximeters are easily available online and in supermarkets, and don't require a prescription. <h2>How to use a pulse oximeter at home</h2><ul><li>Make sure the device has batteries and switch it on.</li><li>When you're comfortably seated, place your index or middle finger inside the pulse oximeter, with the nail facing upward. </li><li>Ensure that the finger doesn't have nail polish, artificial nails, tattoos, or henna on it, as that could affect the reading. You shouldn't be cold, shivering, or shaking either. Avoid moving your hand or finger while waiting for the reading.</li><li>In a few seconds, the device will display your blood oxygen level as %SpO2. It will also display your pulse as BPM.</li><li>A normal blood oxygen level reading for a typical adult should be between 95% and 100% SpO2.</li></ul>Ferrante recommends buying a pulse oximeter that also displays either waves or lines because this feature can help determine the accuracy of the reading. If the waves/lines go all the way to the top, it's a sign that the reading is accurate. However, if the waves/lines stay flat, or if each wave looks different, during the reading, it could indicate that the pulse oximeter isn't working as it should. Note: A <a href="https://www.nejm.org/doi/10.1056/NEJMc2029240?url_ver=Z39.88-2003𝔯id=ori%3Arid%3Acrossref.org𝔯dat=cr_pub++0pubmed%22%20%5Cl%20%22article_citing_articlesarticles" target="_blank" rel="noopener">2020 study</a> found that the pulse oximeter readings may also be <a href="https://www.fda.gov/medical-devices/safety-communications/pulse-oximeter-accuracy-and-limitations-fda-safety-communication" target="_blank" rel="noopener">less accurate</a> in people with darker skin tones.<h2>How to measure blood oxygen levels with a blood gas test</h2>Another way that medical practitioners check oxygen levels is through an <a href="https://www.ucsfhealth.org/education/the-need-for-supplemental-oxygen" target="_blank" rel="noopener">arterial blood gas</a> (ABG) test, measured in units of <a href="https://www.uofmhealth.org/health-library/hw2343" target="_blank" rel="noopener">PaO2</a>. This test involves drawing blood from an artery, typically in your wrist. A normal ABG reading for a healthy adult should be between <a href="https://www.ucsfhealth.org/education/the-need-for-supplemental-oxygen" target="_blank" rel="noopener">80 mm Hg and 100 mm Hg</a>.Note: Elevated blood oxygen levels can lead to a condition called <a href="https://myhealth.ucsd.edu/RelatedItems/3,90904" target="_blank" rel="noopener">hyperoxia</a>. The excess oxygen can be poisonous to your system and harm the tissues in your lungs, leading to fluid buildup or a collapsed lung. It can occur in <a href="https://myhealth.ucsd.edu/RelatedItems/3,90904" target="_blank" rel="noopener">certain situations</a> if you're breathing high-pressure oxygen, from an oxygen cylinder, scuba diving tank, or a ventilator machine, says Ferrante.An ABG reading can be used to diagnose both high and low blood oxygen levels. So for instance, if a patient is on a ventilator, their healthcare provider may do an ABG test to ensure that the oxygen level on the ventilator is not too high, says Ferrante.An ABG test is also <a href="https://www.thoracic.org/patients/patient-resources/resources/pulse-oximetry.pdf" target="_blank" rel="noopener">more accurate</a> than a pulse oximeter reading - pulse oximeters can have a margin of error between <a href="https://www.yalemedicine.org/conditions/pulse-oximetry" target="_blank" rel="noopener">2% to 4%</a>. <h2>What to do if you have abnormal blood oxygen levels</h2>If your blood oxygen levels are in the low 90% SpO2 range and your symptoms are mild, you should call your doctor and ask to be seen that day, says Ferrante. However, if your blood oxygen levels go below 90% SpO2 and/or you have moderate to severe symptoms, such as lightheadedness or shortness of breath, she recommends going to the emergency room.Low blood oxygen levels are treated with oxygen therapy, which involves <a href="https://www.nhlbi.nih.gov/health-topics/oxygen-therapy" target="_blank" rel="noopener">delivering oxygen</a> through a face mask, nose tubes, or endotracheal tube, which is inserted into your windpipe (aka trachea).If you are opting for oxygen therapy at home, you can use:<ul><li>Oxygen tanks: These are special tanks that carry liquid or gaseous oxygen. They need to be refilled periodically, once the oxygen supply is depleted. </li><li>Oxygen concentrator: This is a machine that derives oxygen from the air. It doesn't run out of oxygen and therefore doesn't need to be refilled.</li></ul>Depending on your oxygen levels and your health status, your doctor will determine how much oxygen you require, how frequently, and for how long. Oxygen therapy aims to keep your blood oxygen levels <a href="https://www.ucsfhealth.org/education/the-need-for-supplemental-oxygen" target="_blank" rel="noopener">above 90%</a>. Important: If you're using an oxygen tank or concentrator at home, it's important that you follow instructions for use carefully as there's a risk of raising your blood oxygen levels <a href="https://www.ncbi.nlm.nih.gov/books/NBK430743/" target="_blank" rel="noopener">too high</a>. Symptoms of hyperoxia include:<ul><li>Coughing </li><li>Difficulty breathing</li><li>Chest pain</li><li>Dizziness</li><li>Blurry vision</li><li>Nausea</li><li>Confusion</li><li>Seizures </li></ul><h2>Insider's takeaway</h2>Measuring your blood oxygen level can help you determine whether your respiratory and circulatory systems are functioning as they should. The easiest way to monitor your blood oxygen levels at home is to use a pulse oximeter.Note that factors like nail polish, artificial nails, tattoos, henna, or even feeling cold can make a pulse oximeter's reading lower than what's actually going on in your body. So make sure you are using a finger, toe, or earlobe that is warm and doesn't have any dye on it. If you're otherwise healthy and your oxygen levels are consistently below 90% SpO2, Ferrante recommends going to the emergency room. Otherwise, if you have a chronic condition or infection, it's important to consult a healthcare professional about what levels are safe for your individual circumstance.<a data-type="5e7e4978671de03bcc630ed4">What is a ventilator? How the breathing machine can save lives</a><a data-type="5e7e39d714f18f7b6753c965">Respirators are more effective than surgical masks at protecting against infection - here's how they work and who should wear them</a><a data-type="5e6a5b99235c181751200f52">How do viruses spread and how to protect yourself against infection</a><a data-type="5e7bbe44ba85ee1d7f1c126d">Does copper kill germs? Yes, it's effective against COVID-19 within 4 hours</a>

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Water shortage might be on the way to worsen Delhi's COVID-19 crisis

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