By David Biello
If you thought you were eating mostly grass-fed beef when you bit into a Big Mac, think again: The bulk of a fast-food hamburger from McDonald's, Burger King or Wendy's is made from cows that eat primarily corn, or so says a new study of the chemical composition of more than 480 fast-food burgers from across the nation.
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1 comment:
How much corn in a veggie burger?
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