Here’s news that may interest the many senior citizens in tropical Florida: In warmer-than-normal conditions, fruit flies that overproduce a protein-repair enzyme live about one-third longer than typical flies.
This finding lends support to the theory that the buildup of damaged proteins in cells limits lifespan. “It’s been hypothesized for many years that one of the reasons we age is that important macromolecules [such as proteins] become damaged,” explains Jonathan E.
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