Longevity guide
In-depth explainers in plain language — how to live longer and healthier
Longevity guide
Longevity: The Science of Living Longer
What really moves the needle on aging
Longevity guide
Blue Zones
5 longevity hotspots and what they share
Longevity guide
Intermittent Fasting and Aging
What's proven in humans, and what's still theory
Articles
Articles, tests and explainers around the tools and related topics
Knowledge Base
Stress-Aging Index Calculator
How stress drives the pace of biological aging
Knowledge Base
Stress Level Test (PSS-10)
The Perceived Stress Scale in 5 minutes
Knowledge Base
Genetic Age and Telomeres
How DNA “caps” set the pace of aging
Knowledge Base
Cognitive Aging and Dementia Risk
What actually shapes memory and thinking
Knowledge Base
Homocysteine: The Marker 90% Miss
The hidden biomarker of heart-attack and dementia risk
Knowledge Base
Early Signals: Hidden Deficiencies
How to catch problems before symptoms appear
Understanding your lab results
Glossary
of longevity
Biomarkers, epigenetic clocks, aging indices — without the academic dust. We explain every term from your test results, show the normal range and link you to the tool where it's used.
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