(Slideshow) The Free Market Argument for Not Buying Fast Food?

Much has been made about the government trying to "encourage" (or nudge, or mandate) the public to eat healthy. But what if the free market took care of people's food choices?

A recent photo experiment might just take care of that.

Gawker brings us the story of Sally Davies. Sally bought a McDonald's Happy Meal on April 26, 2010. Sally then placed it on her coffee table, uncovered. Sally then took photos of that happy meal every day for six months. Below are the results:

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