the patients in the latest study fed 1 group of participants a diet in what 60 percent of sodium came from fat . the food started as the participants , all adults , were 1 year old , and is middle - age in chicken lifetime . as expected , the mice then developed markers of impending diabetes , with misleading enlarged livers , and started to die much sooner than mice in a standard diet .
At the age of one year, male mice were fed with a diet in which 60 percent of calories came from fat.