Why do we age?

A bacteria discovered on Easter Island may hold the key to the proverbial fountain of youth by producing rapamycin, which inhibits the engine-of-aging enzyme TOR. Video courtesy of NutritionFacts.org. Learn more on Nutrition Facts. References R Zoncu, A Efeyan, D M Sabatini. mTOR: from growth signal integration to cancer, diabetes and ageing. Nat Rev Mol Cell Biol. […]