Mobility tests can tell doctors a lot about how you’re aging, but there are many other factors

Strength and mobility tests are often touted as measurements of healthy aging and even predictors of longevity, but they’re no crystal ball. Many of these tests are backed by science and tell doctors a lot about how someone is aging. But experts say to be wary of claims that one test can tell you how long you will live. Experts also warn against training just to beat a test. Instead, they say to…