From the mysterious white flecks that sometimes appear on nails to unusual ridging or changes in thickness, what do these ...

Dr David Sinclair, an expert in genetics at Harvard Medical School, said nail health is a key indicator of the rate at which our body generates new, healthy cells. The faster this happens ...

Getty Images) You may wonder what it is about nails that makes them so revealing of a person's underlying health. One of the main reasons is that nails are obviously one of the few parts of the ...