Health Tip: What Causes Corns

(HealthDay News) -- Corns are painful calluses that form on the toes from friction, making walking or wearing shoes uncomfortable.

The American Academy of Orthopaedic Surgeons mentions these common causes of corns:

• Wearing shoes that are too tight or too loose.
• Having an abnormality of the toe, such as a claw toe or hammer toe.
• Wearing high-heeled shoes.
• Having a seam or stitch on the inside of a shoe that rub against a toe.
• Wearing poorly fitting socks.