Study shows that caloric information on fast food items may not have much impact on eating behavior.

http://healthland.time.com/2013/04/24/are-you-willing-to-walk-for-that-burger/

How Much Exercise Will It Take to Work Off a Burger? Menus May Soon Tell You | TIME.com

healthland.time.com

More restaurants display calorie counts on their menus, but what if they also informed you what it would take to burn off those calories? It's one thing to know how many calories are packed into a meal you're about to eat, and quite another to fully appreciate what your body does with them.