It isn't a question of whether eating only burgers, fries, and soda is a common problem or not. It is a question of a paper going on about Ultra Processed Foods

It isn't a question of whether eating only burgers, fries, and soda is a common problem or not. It is a question of a paper going on about Ultra Processed Foods as if that is a well defined thing, when it should have said "eating only a burger, fries, and soda causes rats problems"