A quick test that can tell you how well you are aging requires just one thing — or really, just one leg.

Researchers from Mayo Clinic have found how long a person can stand on one leg is a better measure of aging than changes in strength or gait (a person’s walking pattern), which are two other characteristics often used to assess healthy aging.

https://www.aarp.org/health/healthy-living/info-2024/one-leg-balance-longevity-test.html