Nearly a third of U.S. adults age 20 and older eat fast food on any given day. And of those who do, 1 in 5 get at least a quarter of their calories that day from fast food. Just over 1 in 12 get more ...

The United States leads in consumption, with individuals indulging 1-3 times per week, contributing to significant annual expenditure in the fast food industry. This significant intake is reflected in ...