04/14/2014 05:01 pm ET Updated Apr 14, 2014

Why Your Crash Diet Won't Work

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From Paleo to the juice craze, the constant rotation of fad diets in America tells us two things about the way we interact with food. For one thing, we know much less than we think we know about nutrition. Second, we're totally obsessed with quick fixes. Instead of doing the hard work it takes to make lasting changes in the way we eat, we turn to detoxes, cleanses and crash diets -- hoping to transform our bodies into lean, mean, fat-burning machines in a matter of days.

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