What Are Corns and Calluses?
Corns and calluses are thick layers of skin on your feet that are caused by repeated friction or pressure at the spot where the corn or callus develops. A corn is thickened skin on the top or side of a toe; most of the time it is caused by bad-fitting hoes that you are wearing. A callus is thickened skin on your hands or on the soles of your feet.
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