low-fat

Amid an obsession with low-fat diets in the 1980s, avocados were spurned by many — even though their fats are mostly unsaturated.

To meet the new definition of healthy, foods must contain a minimum amount of protein, whole grains, fruit, vegetables or fat-free or low-fat dairy, the FDA said.

Under normal circumstances, physicians typically prescribe low-fat diets to reduce plaque buildup and inflammation.

The authors suggested that the variant could have nudged Sardinians toward eating low-fat foods.

Protein comes from lean sources like beans, legumes and nuts as well as fish, poultry, eggs and low-fat or fat-free dairy.