Reference
In-depth coverage of the biology, physiology, and evidence behind healthy aging topics.
VO2 max — maximal oxygen consumption — is the single strongest predictor of all-cause mortality in large population studies. Here is what it measures, how it changes with age, and how to improve it.
Read more →Sleep is not a uniform state — it moves through distinct stages with different biological functions. Understanding the architecture explains why quality matters as much as duration, and why aging changes both.
Read more →Sarcopenia — the progressive loss of muscle mass and strength with age — is one of the most impactful and least-discussed aspects of aging. Here is what it is, why it happens, and what you can do.
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