Bryan Johnson· Author
Subsequent generations of biological aging clocks have been developed with a focus on improved accuracy, reliability, and sensitivity to interventions.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
Subsequent generations of biological aging clocks have been developed with a focus on improved accuracy, reliability, and sensitivity to interventions.
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This lack of reliability and accuracy motivated the development of several generations of aging clocks algorithms, and the resulting lack of consistency in implementing the various aging clocks is what motivated this study to create a roadmap for the optimal use of aging clocks to evaluate anti-aging therapies and interventions.