What’s In That Big Mac? More Than You Think

Apparently, fast food frequenters have no idea how many calories they’re ordering up at the counter.

Researchers conducted a large cross sectional study of 1,877 adults and 330 school age kids who regularly visited fast food chains including McDonald's, Burger King, Wendy’s, KFC, Subway and Dunkin’ Donuts. The investigators collected receipts from the participants in order to calculate how many calories the participants consumed from their meals. They also asked the volunteers to estimate the number of calories they had just ordered. At the time of the study, none of the restaurant chains included calorie information on their menus, as many now do.

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