For decades, dairy enthusiasts have struggled with the choice between delicious, full-fat whole milk and the slightly less robust but purportedly healthier skim, which removes the cream. Many compromised with 2 percent. The results of a long-term study released this month, however, are bringing new evidence to light—and it’s pro-fat.

The American Heart Association’s Circulation journal published a 15-year observational study examining groups who indulged in whole milk and others who stuck to a low-fat dairy regimen. The subjects who ate full-fat dairy products were shown to be less likely to develop diabetes than their more conservative counterparts. The findings help corroborate a 2015 study in the European Journal of Nutrition that found no increased risk of heart disease among people who go full dairy.

What’s the logic? In an interview with Self, Steven Nissen, chairman of the department of cardiovascular medicine at Cleveland Clinic, said that saturated fats have been unfairly vilified in the past. Fats make you feel full, so if you consume them in moderation, you're less likely to turn to simple carbohydrates or sugars to get that satiated feeling.   

[h/t Self]