This article was medically reviewed by Caroline Chang, MD, a board-certified dermatologist and member of the Prevention Medical Review Board, on June 27, 2019. Your weekend pedicure, post-workout ...
Toenail fungus, also known as onychomycosis, is a common condition that affects millions of people worldwide. This pesky infection can cause your nails to thicken, discolor, and even crumble, leading ...