Longevity Science

Epigenetic clocks explained: what biological age tests can and can't tell you

Direct-to-consumer biological age tests have become a popular longevity-adjacent product. Here is what the underlying science measures, and what it doesn't yet validate.

June 24, 2026  ·  9 min read

Is longevity medicine legitimate? What the research community actually says

The field spans serious NIH-funded geroscience and unregulated supplement marketing, often using the same vocabulary. Distinguishing them requires looking at specific claims, not the field as a whole.

June 24, 2026  ·  9 min read

The hallmarks of aging explained: a clinical reference

The twelve hallmarks of aging are the biological framework underlying every intervention in the longevity pharmacopeia. What each hallmark is, why it matters clinically, and which interventions target it.

May 7, 2026  ·  16 min read