Calluses are annoying but serve a purpose Photo: Getty Images In summer, it’s often a matter of appearance, but even with closed shoes, calluses on the feet are an issue. Some find them uncomfortable ...

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 ...