Immune Aging, Explained

The most important number on your CBC that your doctor isn't explaining. 5,000+ studies link it to longevity. Here's everything you need to know.

Chronic low-grade inflammation drives Alzheimer's, heart disease, cancer, and metabolic decline. The science — and what you can do about it.

Epigenetic clocks cost $400. Your immune age is already in your blood work. Here's how they compare — and why the cheap one might tell you more.

Your doctor says "normal." Science says something different. A complete guide to reading your CBC for longevity, not just disease absence.

The most underrated marker on your CBC. Each 1% increase above 12.5% raises all-cause mortality risk by ~22% in NHANES data. Here's why.

The complete science-backed panel — tiered by cost and clinical utility. Total cost direct-to-consumer: ~$80–160. No doctor required in most states.

Lab "normal" is benchmarked against sick people. NHANES survival data tells a different story. Here's what 95,000+ records reveal about your blood work.

From the Amber Tiger's cytokine storm pattern to the Jade Rabbit's Th2 skew — not all inflammaging looks the same. Learn what your archetype means for intervention.