As with muscle strength in general, grip strength naturally declines with age, “reflecting changes in muscle mass, neural drive and overall physiological resilience,” says Tzoumaris.

There are a lot of different tests that claim to be able to tell how long you’ll live. But research suggests that a simple measure you can do at home is highly predictive of longevity. It’s known as ...

Adam Taylor is a professor and director of the Clinical Anatomy Learning Centre at Lancaster University. This story originally featured on The Conversation. The human hand is remarkable. Not only does ...