Fitness & Well-Being

We get happier as we get older, but at a cost

If we want more people in the U.S. to donate organs, we might have to change how we ask

What are the benefits of vitamin D?

10 things that can cause dehydration

If you want to feel happier, just spend 20 minutes in a park

3 psychological tricks to help you lose weight

How to control your internet addiction

Can you donate a pacemaker?

China's genetically engineered twins were secretly given brain enhancements

How to have the best vacation ever this year

The math of happiness — or why a new bed is better than 7-day cruise

What if your commute could be good for you?