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What to Do About Calluses?

When the skin is exposed repeatedly to shearing or friction stress, a protective layer of keratin (a "callus" or "keratoma") is laid down. This prevents damage to the skin and prepares it to handle further pressure and abrasion. In fact, sometimes these also are called "friction calluses." Keratomas frequently develop under weightbearing areas of the foot as a result of abnormal loading. As they continue to enlarge in response to the recurrent stress, they can contribute to elevated foot pressures.1 Callosities are relatively common in most adult populations; a population survey in Britain found that 48 percent of females ages 25-44 years displayed plantar callus, and the prevalence ...

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