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The latest in longevity science

Evidence-based articles on biological aging, epigenetics, biomarkers, and the protocols that actually move the needle.

Fundamentals6 min read

What Is Biological Age — And Why It Matters More Than Your Birthday

Your chronological age is just a number. Biological age reflects how fast your body is actually aging at the cellular level, and it's the single best predictor of your health trajectory.

Feb 20, 2026
Science8 min read

Epigenetic Clocks Explained: Horvath, GrimAge, and DunedinPACE

A deep dive into the three most validated DNA methylation clocks, what they measure, how they differ, and which one matters most for tracking your aging interventions.

Feb 15, 2026
Biomarkers5 min read

The 5 Blood Biomarkers That Best Predict Longevity

Not all blood markers are created equal. Research shows these five biomarkers are the most powerful predictors of healthspan and lifespan — and they're all modifiable.

Feb 10, 2026
Research7 min read

Can You Actually Reverse Your Biological Age? What the Data Says

The Fitzgerald 2021 trial showed 3 years of epigenetic age reversal in just 8 weeks. We break down the protocol, the results, and what it means for you.

Feb 5, 2026
Protocols10 min read

Building a Longevity Stack: Supplements With Real Evidence

From omega-3s and vitamin D to NMN and resveratrol — we rank the most popular longevity supplements by their evidence tier and explain who should consider each.

Jan 28, 2026
Fitness6 min read

How Exercise Affects Your Epigenetic Age: Zone 2 vs. HIIT vs. Strength

Not all exercise is equal when it comes to biological aging. New research reveals which modalities have the greatest impact on DNA methylation patterns.

Jan 22, 2026
Free Quiz — Find Your Biological Age