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The older you get, the more slowly you heal, and there are a number of reasons why. Westend61 via Getty Images

Why do older people heal more slowly?

Healing is a complicated process. As people age, higher rates of disease and the fact that old cells lose the ability to divide slow this process down.
Large scar after surgery on the abdomen young woman. OneSideProFoto/SHutterstock.com

Why older skin heals with less scarring

When kids get injured their skin heals fast, but usually with nasty-looking scars. Now scientists studying the genes of old mice have figured out how they regenerate skin and block scars.

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