They also drink a fruit-flavored punch with the fructose equivalent of about a can of soda a day. In all, they might consume about twice as many calories as a normal-weight monkey.
Dr. Grove and researchers at some other centers say the high-fructose corn syrup appears to accelerate the development of obesity and diabetes.
“It wasn’t until we added those carbs that we got all those other changes, including those changes in body fat,” said Anthony G. Comuzzie, who helped create an obese baboon colony at the Southwest National Primate Research Center in San Antonio.
HFCS makes monkeys fat too.