Q: I run a lot and developed a growth on the knuckle of my second toe. It’s hard, with a sharp point in the middle, and it hurts. I thought it was a callus, but my running coach says it’s a corn. I ...

Genetics, age, obesity, and hormone imbalances can all contribute to skin tag development, although the cause is not always clear. Removal options include cryotherapy and excision. Skin tags, or ...