A corn is a buildup of skin located on the top, side, or end of the toe or between two toes. Corns are caused by constant friction against the shoe or between two toes. They are actually a normal and natural way for the body to protect itself, by thickening of the skin in response to increased pressure. They may be soft or hard, depending on their location. Most corns on the top of the toes are hard, while those in between toes are soft. Other names for corns are ...

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