Your toenails and fingernails protect the tissues of your toes and fingers. They are made up of layers...
Acne is a common skin disease that causes pimples. Pimples form when hair follicles under your skin clog...
Did you know that you lose up to 100 hairs from your scalp every day? That's normal, and...
Sweat is a clear, salty liquid produced by glands in your skin. Sweating is how your body cools...
Head lice are parasitic wingless insects. They live on people's heads and feed on their blood. An adult...