A silent danger could be lurking in your home—and toenails are "one of our body’s archives of past exposure," scientists say.

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 ...

Since toenails grow very slowly, especially in adults, the trapped blood can remain visible for several months and gradually move forward as the nail grows.

Subungual onychomycosis is the most common type of toenail fungus and affects the nail bed and underside of the nail. White superficial onychomycosis causes white spots and flaky patches on the ...