Does Marijuana Affect Brain Structure?

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Uploaded by on Jul 29, 2011

Dr. Martin Paulus explains a recent review of scientific studies describing the effect of cannabis (marijuana) use on the structure of the brain.

http://cidia.ucsd.edu/

Cited literature:
Lorenzetti, V. et al. (2010). Structural MRI Findings in Long-Term Cannabis Users: What Do We Know?
http://informahealthcare.com/doi/abs/10.3109/10826084.2010.482443

Images referenced in this video:
http://www.disaboom.com/Themes/Disaboom2.0/images/content/White_matter.jpg

http://www.positscience.com/sites/default/files/images/imagecache/ig_lightbox...

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Science & Technology

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  • I have the same problem with anxiety after smoking marijuana for 2 years non stop every day like Bob Marley and even worst.The reason why I was smoking because it helped my depression and also helped dealing with stress I had.One time I was smoking and my high whent to high really not normal at all not just little relaxt and sleepy feeling,at that time I didn't know i'am having really crazy anxiety I freaked out a lot and stopped smoking sigarets marijuana tea cafee everything because I got sce

  • Great video, thank you so much for sharing!

    It would be great if you could explain the relation of anxiety to marijuana. I have experienced an intersting correlation where after prolonged use, some individuals experience anxiety most times when they smoke. I am wondering if this is a physiological or psychological affect, as some have said that by focusing on the anxiety they are able to work through subconcious problems bringing themselves to the surface. Thanks again :)

  • Fantastic presentation!

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