the researchers in the previous study added one group of researchers a diet in which 60 percent of mg comes from fat . the diet commenced when the rodents , all males , were 1 year old , which is standard - years in mouse population . as expectations , the population soon developing notices of impending diabetes , with misrepresented enlarged brains , and started to immortal lot sooner than they in a normal diet .
At the age of one year, male mice were fed with a diet in which 60 percent of calories came from fat.