Warts are raised bumps on your skin caused by the human papillomavirus (HPV). Warts have plagued humans for thousands of years — they have been discovered on 3,000-year-old mummies and were mentioned by Shakespeare. Although warts generally aren’t dangerous, they are ugly, potentially embarrassing, and contagious. They can also be painful.
Most warts clear up without treatment. It can take from a few weeks to several years, depending on the location and number of warts. They usually disappear faster in children.
One third of children are estimated to have warts, but studies have found that 50 percent Trusted Sourceof these disappear within a year, and 70 percent are gone after 2 years.
However, if they do not disappear, or if a wart causes concern, medical help is available.
A doctor will examine the wart, they may ask about family history, and they may take some tissue for tests.
HPV viruses cause the excessive and rapid growth of keratin, which is a hard protein on the top layer of the skin.
Different HPV strains cause different warts. The wart-causing virus can be passed on by close skin-to-skin contact, and through contact with towels or shoes.
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