Casual Pot Smoking Causes Brain Damage

OK, maybe that's a little exaggerated, but basically any drug causes a dopamine surge that changes your brain such that the rewards of normal life don't seem good enough anymore. This study actually found that pot smokers have a bigger nucleus accumbens (the brain area associated with pleasure, reward, and reinforcement learning). They say that 19 million Americans have smoked pot recently. That's a lot.

Here's the article:
http://www.washingtonpost.com/news/morning-mix/wp/2014/04/16/even-casually-smoking-marijuana-can-change-your-brain-study-says/
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