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Researchers have been aware for a long time that a low calorie diet may be linked to a longer life. They have now found that a protein Sir2 is responsible for this effect. A restricted diet in flies caused an excess production of Sir2 which in turn increased the life span.
Source: summary of medical news story as reported by Food Navigator
About: Protein responsible for longevity has been discovered
Date: 25 October 2004
Source: Food Navigator
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