As usual, the internet never fails to provide us with all sorts of surprises. In 2025, a viral story had everyone talking.

Two experts explain how to properly clean toenails, how often you should do this, and what happens if you don't (gulp). Here's what to know.

If you're a runner, you know that black toenails are common—but that doesn't mean you have to put up with them. Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, ...

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 ...