Find in-depth information on endometriosis, which most often occurs in women between the ages of 25 and 40. Understand symptoms and treatment options.

The experts at WebMD provide a list of common diabetes drugs.

PAD is a disease characterized by restricted blood flow in the vessels of the brain and heart. Here’s what causes it, how to prevent it and how it’s treated.

WebMD explains the various tests used to help diagnose gallbladder problems.

Found Your Kid Masturbating? Here's what to do and what to say -- because how you react matters.

Erections: Use It or Lose It? What the research says about whether sex and masturbation help prevent erectile dysfunction.

WebMD provides information on popular vitamins and supplements including side effects, drug interactions, user ratings and reviews, medication over dose, warnings, and uses.

Find out your numbers for BMI, belly fat, healthy weight, target heart rate, interval training, and more. Get tips, too.

New research links tattoos with cancer. Here's what scientists know about the potential connection, and their advice for you if you have a tattoo or you're thinking about getting inked.