A member asked:

Why do you go blue/green after bruising?

A doctor has provided 1 answer

Hemoglobin breakdown: Bruising means break in small blood vessels under the skin and leakage of some blood around those vessels. Slowly the red blood cells that have leaked out begin to rupture and release their hemoglobin which itself begins slowly to disintegrate into colorful byproducts

Answered 11/2/2015

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