What causes calluses and corns?
Calluses and corns are caused over a period of time by repeated pressure or friction on an area of skin. The pressure causes the skin to die and form a hard, protective surface. A soft corn is formed in the same way, except that when perspiration is trapped where the corn develops, the hard core softens. This generally occurs between toes. Calluses and corns are not caused by a virus and are not contagious. Repeated handling of an object that puts pressure on the hand, such as tools (gardening hoe or hammer) or sports equipment (tennis racket), typically causes calluses on the hands. Calluses and corns on the feet are often caused by pressure from footwear. • Tight shoes squeeze the foot. • High-heeled shoes squeeze the front part of the foot. • Loose shoes may cause your foot to slide and rub against the shoe. • Shoes with a thin sole can create more pressure on the ball of the foot when walking than do thicker-soled shoes. • Wearing sandals and shoes without socks can lead to increas
