Long-term and even daily marijuana use doesn't appear to cause permanent brain damage, adding to evidence that it can be a safe and effective treatment for a wide range of diseases, say researchers. ... In those studies, some 700 regular marijuana users were compared with 484 non-users on various aspects of brain function --
www.webmd.com/mental-health/news/20030701/heavy-marijua... www.webmd.com/mental-health/news/20030701/heavy-marijuana-use-doesnt-damage-brain
"The abnormal patterns of water diffusion that we found among the young men with histories of marijuana use suggest damage or an arrest in development of the myelin sheath that surrounds brain cells," said Ashtari.
www.sciencedaily.com/releases/2009/02/090202175105.htm
Fact: None of the medical tests currently used to detect brain damage in humans have found harm from marijuana, even from long term high-dose use. An early study reported brain damage in rhesus monkeys after six months exposure to high concentrations of marijuana smoke.
www.drugpolicy.org/marijuana/factsmyths/ www.drugpolicy.org/marijuana/factsmyths/
Studies reveal that marijuana protects against brain damage from stroke, heart attacks, and nerve gas. ... Of course, the obvious corollary to this is that if synthetic Dexanabinol can prevent brain damage, then organic marijuana does so as well. So the next time grandpa has a stroke, try and get him to take a few bong...
www.cannabisculture.com/articles/1418.html
MARIJUANA CAUSES BRAIN DAMAGE ... Critics state that marijuana has been shown to damage brain cells and that this damage, in turn, causes memory loss, ... Thus, 20 years after the first report of brain damage in two marijuana-exposed monkeys, the claim of damage to brain cells has been effectively disproven.
www.erowid.org/plants/cannabis/cannabis_myth8.shtml
THC affects the nerve cells in the part of the brain where memories are formed. This makes it hard for the user to recall recent events (such as what happened a few minutes ago). It is hard to learn while high - a working short-term memory ...
http://alcoholism.about.com/cs/pot/f/mjp_faq17.htm
A new Australian study says long-term, heavy cannabis use causes brain damage that is equivalent to mild-traumatic brain injury or premature ageing. ... The study focused on long-term marijuana users. (AAP)
www.abc.net.au/news/stories/2008/06/04/2264668.htm
Doesn't Marijuana cause brain damage? The short answer: No. The long answer: The reason why you ask this is because you probably heard or read somewhere that marijuana damages brain cells, or makes you stupid. These claims are untrue.
www.marijuana.com/medicinal-marijuana/2014-do-you-think... www.marijuana.com/medicinal-marijuana/2014-do-you-think-i-have-brain-damage.html
"We were somewhat surprised by our finding, especially since there's been a controversy for some years on whether long-term cannabis use causes brain damage," says lead researcher and psychiatrist Igor Grant, ... in Health, drugs, research, damage, marijuana, Memory, Smoke, pot, brain, weed, long-term, Reasoning, motor skills...
www.nowpublic.com/heavy_marijuana_use_doesnt_damage_bra... www.nowpublic.com/heavy_marijuana_use_doesnt_damage_brain
The abnormal patterns of water diffusion found among the young men with histories of marijuana use suggest damage or an arrest in development of the myelin sheath that surrounds brain cells. Myelin provides a coating around brain cells similar to insulation covering an electrical wire.
www.addictionsolutionsource.com/street_drugs/marijuana_... www.addictionsolutionsource.com/street_drugs/marijuana_addiction/marijuana-and-brain-damage