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This Is Your Brain On Junk Food Published: November 15, 2013

Most of us know that junk food is unhealthy. We know that poor nutrition is related to heart problems, high blood pressure, and a host of other health ailments. You might even know that studies show that eating junk food has been linked to increases in depression, according to

But if it's so bad for us, why do we keep doing it?

There is an answer. And the science behind it will surprise you, reports.

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