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Recent findings suggest the answer might be simpler than expected. Experts point to basic fitness tests—especially those that measure balance, strength, and mobility—as key indicators of longevity.

The start-up Function will send practically anyone to a lab for extensive medical testing, no physical required. Is that a good thing? By Kristen V. Brown As Kimberly Crisp approached middle age, ...

Failing a stress test occurs when you can’t complete it due to exhaustion or other factors. Abnormal results may indicate an underlying condition, such as coronary artery disease or a blockage. A ...