When most people think of aging, they think of loose skin, brittle hair and fragile bones — but there’s one more thing to add to the list, and it involves your nails. With time, you may have noticed ...

Fingernail ridges are visible lines or grooves on the nail’s surface. They can run vertically from the cuticle to the tip of the nail (known as longitudinal ridges) or horizontally across the nail ...

Your fingernails might seem like simple protective coverings for your fingertips, but they’re actually sophisticated diagnostic tools that can reveal crucial information about your protein intake.

They’re trying to put the “cure” in manicure. Researchers from Emory University and Georgia Tech developed a smartphone app to screen for anemia using images of a person’s fingernail beds instead of ...