"Lifespan: Why We Age – and Why We Don’t Have To" is a groundbreaking book by Harvard genetics researcher David A. Sinclair, PhD. Sinclair presents the latest scientific findings on why we age and how we may slow, stop, or even reverse the aging process through lifestyle changes and emerging therapies. He explains the biology of aging in clear, accessible language and shares insights on diet, exercise, and supplements that may help extend healthy lifespan. This hardcover edition includes a dust jacket and is in good used condition. Great for readers interested in longevity, health science, and personal wellness.