Due to a national blood supply shortage, the American Red Cross is urgently calling on South Carolinians to donate blood.

Medically reviewed by Soma Mandal, MD With petechiae, you may notice tiny red, purple, or brown spots that occur when capillaries break under your skin.Seek medical attention if petechiae appear ...

What a great question about something in our body, Asher. Blood is inside our body, but we see it on the outside when we bleed, like when we get a cut or a nose bleed. Blood is red because of ...