Scientists say sugar at levels considered safe is harmful
When mice were fed a diet that was 25% added sugars – an amount consumed by many humans – the females died at twice the normal rate and the males were less likely to reproduce and hold territory, scientists said in a study published Tuesday.
The study shows "that added sugar consumed at concentrations currently considered safe exerts dramatic impacts on mammalian health," the researchers said in the study, published in the journal Nature Communications. "Many researchers have already made calls for reevaluation of these safe levels of consumption."
The study’s senior author, University of Utah biology professor Wayne Potts, said earlier studies fed mice sugars at levels higher than people eat in sodas, cookies, candy and other items. The current study stuck to levels eaten by people.
The mice lived in "seminatural enclosures," and the experimental and control groups lived in direct competition with each other. After being fed the two diets for 26 weeks, the mice lived for 32 weeks in mouse barns -- enclosures of 377 square feet ringed by three-foot walls. There were some nesting areas that were more desirable than others.
http://www.latimes.com/news/science/sciencenow/la-sn-sugar-20130813,0,982020.story
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