What Is a Corn? What Is a Callus? Corns and calluses can be annoying, but your body actually forms them to protect sensitive skin. Corns and calluses are often confused with one another.

How Do I Know If I Have a Corn or Callus? To find out whether a hard patch of skin is a callus or a wart, your doctor will scrape some skin off the affected area. When the superficial skin is ...