Even celebrities aren't immune from foot-related issues such as the dreaded thickened toenail. Actor Danny DeVito, former ...

Sarah Haller: "You have warts because your feet are dirty ... Schaeffer: "Cutting the sides of my toenail will prevent an ingrown toenail." No, absolutely not. Haller: I am Dr. Sarah Haller.

Onychomycosis is the medical term for fungal nail infections ... These are fungi that require keratin for growth and can cause infections on the skin, hair, and nails. Around 70% of tinea pedis ...