In some parts of Europe, ultra-processed foods make up a large and growing part of people’s diets to the detriment of their health. View on euronews

From big bowls of salad to platters of meatballs and spaghetti sauce, Srisatta noshed his way through a nutrition study aimed at understanding the health effects of ultraprocessed foods, the controversial fare that now accounts for more than 70% of the U.S. food supply. He allowed The Associated Press to tag along for a day.

The study relies on 24/7 measurements of patients to investigate whether ultra-processed foods cause people to eat more calories and gain weight, potentially leading to obesity and other well-documented health problems.