Depending on your lifestyle, the shoes you wear, and how often you’re on your feet, you’ve probably had corns or calluses at some point in your life. These thickened skin portions develop to protect a particular area on your foot from further irritation, making it a type of defence mechanism. When thickened skin occurs on the bottom of your foot, it’s referred to as calluses. Meanwhile, if they appear on your toes or elsewhere on top of your ...