Dear Doctors: I’ve been dealing with a corn on top of my little toe for almost a year. I used the patches you get at the drugstore and it went away, but a few months later, it came back. Why? How do I stop that from happening?
Dear Reader: Corns are raised, hardened bumps that can form on areas of the foot where a bone is exposed to repeated or sustained friction. They often develop on the knuckles…