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

For severe or recurring cases, medical treatment may be needed. These treatments are often permanent solutions. This is a ...

When Maria Delgado noticed a dark streak under her big toenail, she assumed it was from dropping her gym bag on her foot. Six months later, that seemingly innocent mark led to a diagnosis that saved ...

Nail fungus — known by the scientific name of onychomycosis — is a fungal infection of the nail. It can occur on the toenail or fingernail but is most common on the toes. It causes whitening and ...