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http://news.9msn.com/health/8513668/marijuana-causes-brain-damage-study
Pot smokers may want to think twice before lighting up their next joint.
Australian scientists have proved the long-held suspicion that persistent heavy marijuana use damages the brain's memory and learning capacity.
Researchers also showed for the first time the earlier people developed their cannabis habit, the worse the damage.
Scientists from Melbourne's Murdoch Childrens Research Institute (MCRI), Melbourne University and Wollongong University used Magnetic Resonance Imaging (MRI) to scan the brains of 59 people who had been using marijuana for 15 years on average.
The images were compared with scans of 33 healthy people who had never used the drug.
The scans measured changes to the volume, strength and integrity of white matter, the brain's complex wiring system.
Pot smokers may want to think twice before lighting up their next joint.
Australian scientists have proved the long-held suspicion that persistent heavy marijuana use damages the brain's memory and learning capacity.
Researchers also showed for the first time the earlier people developed their cannabis habit, the worse the damage.
Scientists from Melbourne's Murdoch Childrens Research Institute (MCRI), Melbourne University and Wollongong University used Magnetic Resonance Imaging (MRI) to scan the brains of 59 people who had been using marijuana for 15 years on average.
The images were compared with scans of 33 healthy people who had never used the drug.
The scans measured changes to the volume, strength and integrity of white matter, the brain's complex wiring system.
