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.

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