NPR's Leila Fadel speaks with Dr. Elias Warrak, an ophthalmologist who has treated blast victims in and around Beirut following a series of deadly explosions of handheld devices across Lebanon. We ...

Comedones are a type of acne that occurs when hair follicles in the skin become clogged by oil, dead skin cells, and debris. This causes small bumps commonly known as blackheads (open comedones) or ...