What controls aging? Biochemist Cynthia Kenyon has found a simple genetic mutation that can double the lifespan of a simple worm, C. Elegans. The lessons from that discovery, and others, are pointing to how we might one day significantly extend youthful human life. (Recorded at TEDGlobal 2011, July 2011, in Edinburg, Scotland. Duration: 16:24)
PLUS: Tonight, watch an ABC News segment that explores Cynthia Kenyon’s work! On ABC World News tonight >>
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