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.

Intense headaches can happen during or just after sex. The causes of orgasm headaches aren’t well understood, but medicine can help. A neurologist explains.

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.