Article: Ask Doctor Cory.(children's health)

Send your health questions to "Ask Doctor Cory," Children's Digest, P.O. Box 567, Indianapolis, IN 46206 or e-mail us at askdrcory@childrensdigestmag.org. This column does not replace your doctor's advice.

Dear Dr. Cory:

Why do you get blisters when you swing on the monkey bars for a long time?

KK

Las Vegas, Nevada

Dear KK:

You get blisters when something (like a monkey bar) rubs too much against your skin and causes tiny blood vessels to leak fluid. The blister acts like a pillow to protect damaged skin while it repairs itself.

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