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When mice ate a diet of 25 percent extra sugar -- the mouse equivalent of a healthy human diet plus three cans of soda daily -- females died at twice the normal rate and males were a quarter less likely to hold territory and reproduce, according to a toxicity test developed at the University of Utah. “Our results provide evidence that added sugar consumed at concentrations currently considered safe exerts dramatic adverse impacts on mammalian health,” the researchers say in a study set for online publication Tuesday, Aug. 13 in the journal Nature Communications.
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