Walking Speed as a Longevity Test: What Your Pace Reveals
The walking speed longevity test predicts lifespan better than many biomarkers. Learn the targets by age, how to test yourself, and how to improve.
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Single-Leg Balance Test: What 10 Seconds Says About Your Lifespan
The single-leg balance test predicts mortality risk better than most biomarkers. Here’s the evidence, the exact targets by age, and how to improve your score.
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Biological Age Testing: The Complete Science-Backed Guide 2026
Biological age testing explained: which tests actually measure aging, what the science says, and how to use your results. Evidence-based guide for 2026.
