Genetics, poor diet, and a lack of exercise are the classic risk factors for heart disease, but they only scratch the surface of ways you might be unknowingly harming your ticker.
Dr. Jim Liu, a cardiologist at The Ohio State University Wexner Medical Center, told Insider though high blood pressure and diabetes are the most common risk factors, a person's sleep schedule, demographics, and even how many friends they have might be factoring into their heart disease risk.
Heart disease, the leading cause of death in the US, encompasses a range of problems including irregular heartbeat, heart attacks, heart defects, and damage to the function of your heart.
"The most common risks we think of are high blood pressure, high cholesterol, diabetes, smoking, but there can be some other ones that people don't think of," Liu told Insider.
Here are 7 lesser known habits and factors that might be putting you at a greater risk for heart disease.