Whether you know exactly where it came from, or it suddenly appears on your skin and you don’t remember it happening, it’s just a fact of life…we all get bruises! But why are they there, and what’s inside of them? We asked Dr. Frank Rhame to help us find the answer.

Got a question that’s really getting under your skin? Send it to us at BrainsOn.org/contact, and – don’t be blue – we’ll help solve the mystery!