Have you ever wondered what exactly marijuana does to your brain? Crystal breaks down what happens.

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This Is Your Brain on Drugs
http://www.nytimes.com/2014/11/02/education/edlife/this-is-your-brain-on-drugs-marijuana-adults-teens.html?_r=0
"The gray matter of the nucleus accumbens, the walnut-shaped pleasure center of the brain, was glowing like a flame, showing a notable increase in density."

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