Warts are skin growths caused by a virus. The virus infects the top layer of skin, causing it to grow rapidly.
Warts can grow anywhere on your body. Most warts go away on their own, but they may come back.
Last Revised: October 9, 2012
Author: Healthwise Staff
Medical Review: Patrice Burgess, MD - Family Medicine & E. Gregory Thompson, MD - Internal Medicine
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