Walnuts are known to have a variety of health benefits, including improving blood vessel function and fighting damaging free radicals thanks to their high antioxidant content. And now, according to new research out of Yale University, walnuts may help to reduce their chances of developing Type 2 diabetes. To evaluate the effects of walnut consumption on overall calorie intake and dietary quality, researchers randomly assigned 81 women and 31 men at high risk of Type 2 diabetes to eat a reduced-calorie diet, either with or without nutrition counseling.

The subjects were from 25 to 75 years old and all had several risk factors for Type 2 diabetes, including having high blood sugar, blood pressure, cholesterol, being overweight, having excess fat around the middle. Half of the participants in each group were additionally assigned to add 56 grams (roughly 2 ounces) of walnuts to their daily…