Most people think of nails as something to paint, trim, or show off, but they’re much more than that — they’re tiny health ...

Faint black or brown streaks on nails are often harmless, but scientific evidence shows they may sometimes signal subungual ...

Timely doctor visits are crucial for identifying health issues. Bluish nails may indicate poor circulation or respiratory problems.

BACKGROUND: Your toenails and fingernails protect the tissues of your toes and fingers. They are made up of layers of a hardened protein called keratin, which is also in your hair and skin. Your nails ...

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 ...