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.

Medically reviewed by William Truswell, MD If you have yellow nails, this could be a sign of aging, smoking, or yellow nail ...

Talk about getting down and dirty. The start of the new year means more people are heading to the gym and picking up weights ...

Longitudinal ridging on fingernails or toenails, also known as vertical ridges, are slender raised lines that run from the base of the nail to its tip. Often appearing as faint vertical stripes, these ...