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Best biological age tests in 2026: Blood, epigenetic, and wearable options
Best biological age tests 2026 compared: blood-based PhenoAge and KDM, epigenetic clocks like GrimAge and DunedinPACE, and wearable-derived scores.
Biological age from blood tests vs wearables: Which is more accurate?
Blood tests vs wearables for biological age compared: accuracy, cost, repeatability, and when each modality is the right choice for longevity tracking.
Biological age clocks vs pace-of-aging clocks: How DunedinPACE differs from PhenoAge and KDM
Biological age clocks vs pace-of-aging clocks explained: why DunedinPACE answers a different question than PhenoAge or KDM and which to pick.
SuperAge vs Humanity: Which app is better for biological age tracking?
SuperAge vs Humanity compared on scoring, inputs, price, and daily usefulness. Find the right biological age app for Apple Watch users in 2026.
Klotho: The anti-aging protein that could rewrite longevity science
Klotho protein declines with age and predicts mortality, cognitive decline, and disease. Learn what it does, how to increase it, and why researchers are excited.
How to test your biological age at home: 5 simple tests anyone can do
Test your biological age at home with 5 validated physical assessments. No blood work, no lab visits — just your body, a timer, and 15 minutes.
Biological age vs chronological age: what's the difference and how to measure
Understand the difference between biological and chronological age, how biological age is calculated, and what you can do to lower yours backed by science.
How to slow aging after 30: the science-backed blueprint
Discover evidence-based strategies to slow biological aging starting in your 30s. From exercise and sleep to blood tests and longevity biomarkers — a practical, actionable guide.
Longevity habits of centenarians: what 100-year-olds actually do differently
What do people who live to 100 actually do? Science-backed longevity habits from Blue Zones and centenarian studies — diet, movement, social connections, and mindset.