In some organisms a reduced-calorie diet increases lifespan. Conventional thinking about the mechanism involved now comes under question from the results of experiments with yeast.
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Lee, S., Ruvkun, G. Don't hold your breath. Nature 418, 287–288 (2002). https://doi.org/10.1038/418287a
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DOI: https://doi.org/10.1038/418287a
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