Humans have been processing food for thousands of years. We found that, on average, adolescents consumed 861 grams of UPFs per day, which made up 66% of their daily total energy intake. Younger adolescents consumed more UPFs – for example, 13-year-olds received 68% of their calories from UPFs compared with 63% for 18-year-olds – as did those with parents in …
