Unfortunately, for some people, it’s all about the money.

bq. Big food companies often are late-comers to diet fads, which tend to bubble up through popular books and personal recommendations. Food makers are, by their nature, predisposed to want people to eat more, as embodied by the classic Lay’s potato-chip slogan, “Bet you can’t eat just one!”

Read More: Food companies hunt for the next big diet fad