Medically reviewed by Katlein Franca, MD Toenail fungus, or onychomycosis, is a nail infection that can make your toenails thicker, change color, or break apart. It affects about one in 10 people and ...

From trauma to a toenail fungus, there are many reasons why you may have a black toenail. Here's what it means, how to treat ...

The Clever Handwashing Trick That Cuts Germs Way More Than You Think first appeared on Parade on Jul 3, 2025 This story was ...