Biological age, lifespan biomarkers, and the evidence-based interventions that actually move the needle on healthspan.
- 🧪 Longevity
The Longevity Blood Panel: Which Tests to Actually Order (2026)
The blood tests that actually predict how you age — ApoB, Lp(a), fasting insulin, hs-CRP, omega-3 index and more. The full longevity panel, what it costs, and how often to test.
9 min read - 🥑 Longevity
Best Foods for Longevity: What to Actually Eat to Live Longer
The foods most linked to a longer life — legumes, whole grains, nuts, olive oil, fish — how much to eat, and the blood markers that show it's working.
9 min read - 🫁 Longevity
How to Improve Your VO2 Max (Your Best Predictor of Lifespan)
VO2 max may be the single best fitness predictor of how long you'll live. How to raise it — zone 2, intervals, the Norwegian 4x4 — and how to track your progress.
8 min read - 🧬 Longevity
How to Lower Your Biological Age: What Actually Works
Biological age can run faster or slower than your birthdays. The evidence-based levers that lower it — and the blood markers and epigenetic clocks that track it.
9 min read - 💪 Longevity
Muscle and Longevity: Why Strength Predicts How Long You Live
Muscle mass and strength are among the best predictors of lifespan. Why muscle protects you as you age, how to build and keep it, and the markers that track it.
8 min read - 🧮 Tools
Biological Age Calculator: Estimate Your Age from Blood Tests [2026 Method]
Estimate your biological age using blood test biomarkers. Learn the PhenoAge method and track your aging rate using 9 key blood markers.
8 min read - 🧪 Tools
What Blood Tests to Get Before Starting Supplements
Get baseline blood tests before supplementing. Learn which markers to test before starting vitamins, minerals, and herbal supplements safely.
8 min read - 🧠 Longevity
Brain Aging Biomarkers: Blood Tests That Predict Cognitive Decline
Brain aging biomarkers in blood: hs-CRP, homocysteine, NfL, p-tau predict cognitive decline. Preventive blood test markers for brain health.
9 min read - 🧮 Tools
HOMA-IR Calculator: Measure Your Insulin Resistance [Formula + Chart]
Calculate HOMA-IR to assess insulin resistance using fasting glucose and insulin levels. Includes formula, chart, and interpretation guide.
6 min read - 🧮 Tools
Triglyceride to HDL Ratio Calculator: The Best Insulin Resistance Marker [Chart]
Calculate your triglyceride-to-HDL ratio to assess insulin resistance and cardiovascular risk. Includes formula, chart, and actionable guidance.
7 min read - 📱 Tools
Best Blood Test Tracking Apps in 2026: 8 Options Compared
A detailed comparison of the best apps to track blood test results in 2026 — including Merios, InsideTracker, Function Health, Carrot Care, Soka, and more.
10 min read - 📋 Pillar
Blood Test Results Normal Range Chart: Complete Reference Guide
Comprehensive blood test normal range chart: CBC, metabolic panel, lipids, thyroid, liver, kidney, hormones, vitamins, inflammation. Optimal ranges included.
12 min read - ⏳ Pillar
Biological Age vs Chronological Age: How to Measure How Fast You're Actually Aging
Your biology can be 10 years younger or older than your ID says. How biological age is measured (PhenoAge, epigenetic clocks) and how to lower it.
9 min read