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Reference
Protocol Glossary
Science-backed definitions for every term in your health data: plain English and the mechanism behind it.
Longevity
Autophagy
The process cells use to recycle damaged proteins and worn-out parts, and a key link between fasting, exercise, and longevity.
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Biological Age
How old your body actually functions, based on measurable biomarkers, not the number of birthdays you've had.
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Hallmarks of Aging
The twelve interconnected biological processes that scientists identify as the root drivers of aging inside every cell.
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Healthspan
The number of years you live in good health, not just the number of years you're alive.
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Sarcopenia
The age-related loss of muscle mass and strength that quietly predicts falls, frailty, and loss of independence.
→ Read definitionMore terms added regularly. Check back for new entries across all categories.
