A callus is a hard and thick patch of skin caused by friction or pressure, often on hands or feet. Calluses can be treated with salicylic acid, a pumice stone, or by a podiatrist. Calluses are not ...

Add Yahoo as a preferred source to see more of our stories on Google. Calluses are annoying but serve a purpose Photo: Getty Images In summer, it’s often a matter of appearance, but even with closed ...