What would happen to eating habits if you took an entire city and made all the chain restaurants post calorie counts for every item on the menu?

How about: Nothing.

Or worse: People would consume slightly more calories…

Researchers from NYU and Yale looked at patrons of four fast food chains (McDonald’s, Wendy’s, Burger King, and Kentucky Fried Chicken) in poor neighborhoods in New York City (which instituted labeling) and Newark (which didn’t institute labeling). They looked at receipts before and after labeling was instituted in New York and interviewed diners. The result? The bottom line was that there was no significant change in the number of calories reflected on people’s receipts after labeling was instituted — in fact, calorie consumption went up a little in New York.