How is glycolic acid used to treat skin?

Glycolic acid is one of the stronger acids used to exfoliate dead skin cells; it helps remove and repair damaged skin, which makes skin look smoother. Watch as dermatologist Doris Day, MD, explains how glycolic acid fights wrinkles and aging.

Necrotizing fasciitis is a dangerous infection that can start suddenly and move fast. Spot the signs and know how to respond.

These six possible causes of hair loss may surprise you.

Necrotizing fasciitis is a dangerous infection that can start suddenly and move fast. Spot the signs and know how to respond.

Find out what happens if you neglect to wash your face.

Cuts, scrapes, and other open wounds could increase your risk for a staph infection.