Cynthia Kenyon is an American molecular biologist who discovered that there is a single genetic mutation that can control ageing in worms, known as C. elegans. Kenyon's research revealed that damage in a gene called daf-2 doubled the worm’s lifespan. She is now working to do the same in humans, and her efforts have won her many awards including the Ilse & Helmut Wachter Award for Exceptional Scientific Achievement, and the King Faisal International Prize in Medicine in 2000.
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