With gel nail polish, the temporary nail damage is bad, but the cumulative UV exposure is worse. We talked to a dermatologist to learn why that is and what precautions to take if you still want to get ‘gelly’ with it.

We all get nervous from time to time. An expert shares a few ways we can calm ourselves down, from taking deep breaths to listening to music.

We talked to an endocrinologist about why over-exercising and restrictive dieting can stop your period — and what you have to do to restart it.