One problem is that "junk food" is an ill-defined term, even though it may seem obvious. For example, years ago Greek Yogurt became popular in supermarkets in

One problem is that "junk food" is an ill-defined term, even though it may seem obvious. For example, years ago Greek Yogurt became popular in supermarkets in the U.S. If you look at the nutrition label of a yogurt like Chobani, it contains roughly 4 teaspoons of sugar in one small container. And yet yogurt is advertised as a healthy food. If you "quit sugar" in the U.S., you'll quickly realize just how many items at supermarkets have added sugar. I'm more concerned about "sneaky calories" then straight-up junk food.