Your nails might seem like a purely cosmetic detail, but doctors often see them as tiny windows into your overall health.

In fungal infections, invasive fungi grow in or on your body. Many types of fungi occur naturally in your body in small amounts. Some infections occur when these fungi grow out of control while other ...

Fingernail fungus can take time to clear up, and it may be several months before the affected nail grows back. Medical treatments are the only known methods to effectively treat nail fungus. If you’ve ...

Thick, yellow, and brittle toenails are often caused by fungal infections like onychomycosis, which thrives in moist environments and on keratin. Risk factors include diabetes, poor circulation, and ...