A new study has revealed that three cans of fizzy drinks a day can cut off years of your life. According to a toxicity test developed at the University of Utah, an experiment found out that when a mice ate a diet of 25 percent extra sugar which is 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.

The researchers said, “Our results provide evidence that added sugar consumed at concentrations currently considered safe exerts dramatic adverse impacts on mammalian health”.

University of Utah biology professor Wayne Potts, the study’s senior author, said, “This demonstrates the adverse effects of added sugars at human-relevant levels”.

He also said, “Previous studies using other tests fed mice large doses of sugar disproportionate to the amount people consume in sweetened beverages, baked goods and candy”.

“I have reduced refined sugar intake and encouraged my family to do the same,” he added, noting that the new test showed that the 25 percent “added-sugar” diet – 12.5 percent dextrose (the industrial name for glucose) and 12.5 percent fructose – was just as harmful to the health of mice as being the inbred offspring of first cousins.

The study’s first author, James Ruff, who recently earned his Ph.D. at the University of Utah said, “We have shown that levels of sugar that people typically consume – and that are considered safe by regulatory agencies – impair the health of mice”.

“This is a sensitive test for health and vigour declines,” he said, noting that in a previous study, he used the same test to show how inbreeding hurt the health of mice.

“One advantage of this assay is we get the same readout no matter if we are testing inbreeding or added sugar,” Potts said. “The mice tell us the level of health degradation is almost identical” from added-sugar and from cousin- level inbreeding.”

The study says the need for a sensitive toxicity test exists not only for components of our diet, but “is particularly strong for both pharmaceutical science, where 73 percent of drugs that pass preclinical trials fail due to safety concerns, and for toxicology, where shockingly few compounds receive critical or long-term toxicity testing.”

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