Dr David Sinclair, a professor of genetics at Harvard Medical School, says the rate at which your nails grow is a good ...

If you’ve ever wondered how long your life will last, the answer may literally be at your fingertips. A study concluded that your longevity can be determined by something surprising: your fingernails.

Dr David Sinclair, an expert described as a founding father of longevity research, has said the secrets to how you're ageing ...