19 'healthy habits' you should give up in 2017

We all have them - habits we think are healthy because we heard them somewhere on the news or from a health-conscious friend. And no matter how much we hate them, we just keep doing them because we think they're good for us.

Take using BMI to tell if you're a healthy weight. Is it really the best measure of fitness?

Or taking a daily multivitamin. Healthy habit or a little bit of nonsense?

The answers to these questions might surprise you.