Lifespan: Why We Age—and Why We Don't Have To

David A. Sinclair, PhD

Aging isn't inevitable decay but corrupted cellular software. Sinclair lays out the science of longevity genes and how diet, cold, exercise, and emerging drugs activate them.

A Harvard geneticist's argument that aging is a single, treatable disease driven by the loss of epigenetic information, and a tour of the interventions — from fasting to experimental drugs — that may slow or reverse it.