Study: Regular marijuana habit shrinks part of the brain

November 11, 2014 8:25 PM

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"This is a part of the brain that you absolutely never ever want to touch," Hans Breiter said.

Scientists there found that study participants who smoked pot at least three times a day had smaller orbitofrontal cortexes (OFC), the portion of the brain known as the "reward center" and one vital to the cognitive processes of decision-making.

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