The U.S. is in a severe flu season, and antiviral medications such as Tamiflu can help if you get sick—but it's not recommended for everyone. Here's what you need to know about the medication.

A new case study details how a misplaced menstrual cup caused serious kidney issues in a woman. Experts explain the correct way to insert, remove, and clean the device.

Weight loss in teenagers always needs attention. In addition to continued height and weight growth, their internal organs are still growing and their bones and brains are still developing.