Simple guide
Longevity
Why Muscle Matters for Your Health: A Simple Guide
Muscle does much more than move you. A plain-language guide to what muscle does for your body and the two things it needs to stay strong.
Oct 16, 2026 · 3 min readRead →
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Plain-language guides for getting started, and science deep dives with the studies behind them.
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Science deep dive
Longevity
What Is Sarcopenia? Muscle Loss, Strength and Diagnosis
Sarcopenia is more than muscle loss. Learn how it differs from dynapenia and myopenia, how doctors diagnose it, and what the research says helps.
Oct 16, 2026 · 8 min readRead →
Simple guide
Longevity
Losing Muscle as You Age: A Simple Guide to Sarcopenia
Sarcopenia is muscle loss with weakness, not just getting older. A plain-language guide to what it is, how it is checked and what helps.
Oct 16, 2026 · 4 min readRead →
Science deep dive
Longevity
Muscle Is an Organ: What It Needs to Survive
Muscle does more than move you: it sends signals to other organs. Learn why that matters and the two inputs muscle needs as you age.
Oct 15, 2026 · 6 min readRead →