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.

A world-famous longevity expert has revealed that you may be able to predict your lifespan based on how quickly your ...

Researchers say fingernail growth may provide insight into how the body is ageing at a cellular level.

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 ...