Another woman was diagnosed with melanoma after noticing black lines under her thumb nail during a manicure. In the comments, many people urged her to seek help after seeing the black lines, telling ...

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

What began as a casually shared image on social media soon turned into a serious health discussion after a woman posted a photograph of faint black lines on her thumb and toe nails, prompting ...

AUSTIN (KXAN) — Researchers at the University of California San Diego say nail polish dryers that use ultraviolet (UV) may cause cancer of the hand and, similar to tanning beds, may increase the risk ...