12 'healthy habits' you're better off giving up

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 avoiding gluten, for example. Is it really healthy?

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

The answers to these questions might surprise you.