Is it possible for humans to live 200 years?

earthsky.org     Aug 4, 2008          

Tony from the Vientiane International School in Laos asks the scientists about how long we – or our descendants – might live. Tony: Is it possible for humans to live for 200 years? EarthSky spoke to an MIT professor of biology who studies the genetic sequence that controls aging. Lenny Guarente said he’s skeptical about humans living as long as 200 years. But, he said, new research could help extend our lifespan. Lenny Guarente: In mammals, which includes us, what we think is the case, is that calorie restriction – a low calorie diet – triggers anti-aging genes called sirtuins. And that enables us to forestall diseases of aging so we can stay healthier, longer, and perhaps to actually live longer. Guarente doesn’t believe that science could stop aging altogether. Lenny Guarente: There’s just too many things that go wrong in... [read full story]                    


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