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The pot study you've all been waiting for. It really IS dangerous.

Anonymous
Posted by Anonymous
  • 176 Replies

Casual pot use causes brain abnormalities in the young: study

Reuters 
.

By Alex Dobuzinskis

(Reuters) - Young, casual marijuana smokers experience potentially harmful changes to their brains, with the drug altering regions of the mind related to motivation and emotion, researchers found.

The study to be published on Wednesday in the Journal of Neuroscience differs from many other pot-related research projects that are focused on chronic, heavy users of cannabis.

The collaborative effort between Northwestern University's medical school, Massachusetts General Hospital and Harvard Medical School showed a direct correlation between the number of times users smoked and abnormalities in the brain.

"What we're seeing is changes in people who are 18 to 25 in core brain regions that you never, ever want to fool around with," said co-senior study author Dr. Hans Beiter, professor of psychiatry and behavioral sciences at Northwestern University.

In particular, the study identified changes to the nucleus accumbens and the nucleus amygdala, regions of the brain that are key to regulating emotion and motivation, in marijuana users who smoke between one and seven joints a week.

The researchers found changes to the volume, shape and density of those brain regions. But more studies are needed to determine how those changes may have long-term consequences and whether they can be fixed with abstinence, Beiter said.

"Our hypothesis from this early work is that these changes may be an early sign of what later becomes amotivation, where people aren't focused on their goals," he said.

The study, which was funded in part by the National Institute on Drug Abuse and the White House Office of National Drug Control Policy, comes as access to pot is expanding following 2012 votes in Washington state and Colorado to legalize its recreational use. The drug remains illegal under federal law.

Medical pot is allowed in 20 U.S. states.

Pot legalization advocates make the argument that marijuana is safer than alcohol a central part of their campaigns.

Other research has found drinking alcohol alters the brain, Beiter said. But while researchers do not know exactly how the mental rewiring seen in pot users affects their lives, the study shows it physically changes the brain in ways that differ from drinking, he said.

This latest study fits with other research showing marijuana use has significant effects on young people because their brains are still developing, and Beiter said he has become convinced that marijuana should only be used by people under 30 if they need it to manage pain from a terminal illness.

(Reporting by Alex Dobuzinskis; Editing by Ken Wills)

http://news.yahoo.com/casual-pot-causes-brain-abnormalities-young-study-020709104--finance.html 

Posted by Anonymous on Apr. 16, 2014 at 1:32 PM
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Anonymous
by Anonymous 2 on Apr. 16, 2014 at 1:32 PM
0_o
B1Bomber
by Platinum Member on Apr. 16, 2014 at 1:34 PM
4 moms liked this

This is old information. They've known for years that marijuana is bad for underdeveloped brains (i.e. anyone younger than at least mid-20s). It interferes with critical thinking development, can injure the pathways between hemispheres, and has been strongly and repeatedly linked to sterility in males (not sure if a study has been done involving females and reproduction).

Anonymous
by Anonymous 3 on Apr. 16, 2014 at 1:35 PM
8 moms liked this

 

Quoting Anonymous:

Casual pot use causes brain abnormalities in the young: study

 
 

 As evidenced by the die-hard pot advocates on board.

unsuspected
by Gold Member on Apr. 16, 2014 at 1:36 PM
I assume that last line should be "people over 30".

But overall, not surprised by these findings.
Anonymous
by Anonymous 4 on Apr. 16, 2014 at 1:38 PM
8 moms liked this

 Well, no kidding. Something that alters your state of mind has an effect on a developing brain? No way!

Bottom line for me: if alcohol is legal, pot should be legal too.

Anonymous
by Anonymous - Original Poster on Apr. 16, 2014 at 1:40 PM

LOL

Quoting Anonymous:

 

Quoting Anonymous:

Casual pot use causes brain abnormalities in the young: study

 
 

 As evidenced by the die-hard pot advocates on board.


Anonymous
by Anonymous - Original Poster on Apr. 16, 2014 at 1:41 PM

I'm pretty sure that many of the die-hard pot advocates on here are in their early twenties...or younger :/

Quoting B1Bomber:

This is old information. They've known for years that marijuana is bad for underdeveloped brains (i.e. anyone younger than at least mid-20s). It interferes with critical thinking development, can injure the pathways between hemispheres, and has been strongly and repeatedly linked to sterility in males (not sure if a study has been done involving females and reproduction).


kcangel63
by Freebirther on Apr. 16, 2014 at 1:42 PM
9 moms liked this
Sugar is more destructive of a drug, but it's legal and acceptable to give to babies and children. :/
xXVICKYXx
by Silver Member on Apr. 16, 2014 at 1:42 PM

 That's funny, I hit my head a few weeks ago, and had to have a brain scan to rule out a concussion. My brain is completely structurally normal......

Anonymous
by Anonymous 5 on Apr. 16, 2014 at 1:44 PM
2 moms liked this

i read this the other day. I know several "potheads" who started smoking at a young age, and quickly became "burnt out". They wasted their life away.

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