Jennifer Dwork was young, fit and healthy. But while studying at Columbia business school, she was suddenly wracked by a sharp pain in her rectum when she went to the bathroom.

Thyroid problems are very common, and millions of people take medication every day to manage them. One of the most widely prescribed medicines for thyroid disease is levothyroxine. In the United ...

While sleep apnea is the most serious breathing issue that disrupts sleep, there are other issues that can clog or narrow your airway to a similar effect, such as a deviated septum, nasal polyps, ...

Not all weight loss is created equal. Sometimes, what looks like progress on the scale may actually hide underlying risks ...

Dietary supplements are wildly popular, but large clinical trials and other research by Fred Hutch Cancer Center scientists show that many common dietary supplements offer little proven benefit for ...

Dietary supplements, as benign as they may seem, when mixed with drugs and other supplements, can lead to unintended consequences. Certain supplements can aggravate existing medical conditions and ...

Department of Breast Surgery, First Hospital of China Medical University, Shenyang, CHINA.

Magnesium, fiber, protein powder, collagen — here’s what doctors actually recommend. Credit... Supported by By Alice Callahan Photographs by Ghazalle Badiozamani for The New York Times Marily Oppezzo, ...

Read this before you pop that gummy. By Jancee Dunn Have you taken any dietary supplements today? Odds are, you have: According to the Centers for Disease Control and Prevention, over half of ...