A National Institutes of Health study aims to find out whether ultraprocessed foods lead people to eat more. And, if so, why? Ultraprocessed foods are linked to ailments including obesity and diabetes, but it’s not clear exactly how. (AP Video: Mary Conlon)

Inside the study trying to untangle the health effects of ultraprocessed foods

A National Institutes of Health study aims to find out whether ultraprocessed foods lead people to eat more. And, if so, why? Ultraprocessed foods are linked to ailments including obesity and diabetes, but it’s not clear exactly how. (AP Video: Mary Conlon)