Dr. David A. Sinclair, PhD, is a Professor of Genetics at Harvard Medical School and a leading researcher in the biology of aging. His pioneering work on sirtuins, NAD⁺ metabolism, and cellular reprogramming has shaped the modern understanding of why we age and how to slow the process. As the author of the bestselling book Lifespan, Sinclair is recognized worldwide for translating groundbreaking science into practical insights, inspiring health seekers to pursue strategies for extending healthspan and vitality.
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