https://www.statista.com/statistics/203358/food-and-drinks-sales-of-us-restaurants-since-1970/ https://www.statista.com/statistics/203358/food-and-drinks-s...

https://www.statista.com/statistics/203358/food-and-drinks-sales-of-us-restaurants-since-1970/ https://www.statista.com/statistics/203358/food-and-drinks-s... I’d say fast food isn’t the only culprit, normal restaurant portions are enormous too with the exception of a few health-focused salad chains. Consumption of restaurant food has continued to increase over the last 30 years as the country gets more and more wealthy. There are probably a lot of factors involved here of course.