There were already hints of this from experiments that swapped genes from mice to yeast with no apparent loss of function.

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While red yeast rice has no known drug interactions and fewer side effects than statins, it could theoretically interfere with other medications and should be avoided by women who are pregnant or nursing and people with severe liver or kidney disease.

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Good bakeries will offer a variety of bread, including a baguette tradition, an artisan-made loaf containing just four ingredients (flour, water, yeast, salt) and no additives.

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When Guarente's team deleted the sir2 gene from the yeast and then restricted calories, the diet no longer lengthened life span.

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