Count the beats for 15 seconds then multiply the number by four. “There’s no reason to get down on yourself or ...

It's also easy, free, and possible to do yourself at home. For the study published in the ... standing on one leg - particularly the non-dominant leg - was the best way of measuring decline with age.

How healthy are you really? Take these 8 longevity tests at home to find out - Can you stand on one leg, or go from sitting ...