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Can a 30% Decrease in Calorie Intake Lead to a Comparable Increase in Life Expectancy?

Part 2: David Stipp, on the Mechanisms of Anti-Aging

David Stipp, MS, author of The Youth Pill, delves into the mechanisms of calorie restriction that leads to an increase in life expectancy. While not fully understood, the mechanisms appear to be the product of several major metabolic pathways including Sir2 proteins, the TOR pathway, and insulin and insulin-like growth factor pathways.