If you’re wondering how long you’ll live, the answer could be right at your fingertips. According to Dr. David Sinclair, a professor of genetics at Harvard Medical School, your nails are actually a ...

A renowned Harvard genetics expert has unveiled a rather unconventional method to gauge how gracefully you're aging-look no further than your fingernails. Dr. David Sinclair, a professor at Harvard ...

Harvard geneticist David Sinclair, who has said his “biological age” is roughly a decade younger than his actual one, has put forward his largely unlined face as a spokesman for the longevity movement ...