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Shared recipes for longer life

Study homes in on proteins that may affect longevity

Eating a calorie-restricted diet and being female are the best bets for living longer, at least for animals. Now scientists have discovered that some links may exist between the two.

Women live about five years longer on average than men, and a similar longevity advantage exists for other mammal species, including rats. Numerous experiments have also shown that eating a nutritionally complete diet relatively low in calories can also extend lifespan: A daily calorie decrease of 30 percent correlates to living 30 to 50 percent longer than normal for all animal species tested thus far, including mice and dogs.

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