barbara roberts

U.S. National Library of Medicine / National Institutes of Health

Miriam Hospital cardiologist and Brown medical school professor Dr. Barbara Roberts said the Food and Drug Administration’s proposal to ban trans fats in processed foods is long overdue. Trans fats, or partially hydrogenated oils, are added to foods like cookies, ready-to-use frostings, and microwave popcorn to extend their shelf life. Scientists have known for decades that they can lead to hardened arteries and higher bad cholesterol.