Alcohol is Bad For Your Brain, Not Marijuana

New research suggests that frequent drinking is more likely to affect teens’ brain tissue than regular pot use.

Some new science demonstrates that marijuana may not have the harmful effects critics claim. In fact, while pot had no measured impact in a new study, the very legal and very lucratively-marketed substance alcohol actually has a worse health impact on young users.

Specifically, a new study of substance-using teenagers’ brains shows that the regular use of alcohol had a harmful effect on the boozing group, while the toking-up group’s brains suffered little alteration.

From Medical Daily, emphasis ours:

The researchers, from the University of California, San Diego and the University of Pittsburgh Medical Center, performed the study on 92 16- to 20-year-olds. The scientists scanned their brains both before and after an 18-month period. Over the course of the 18 months, half of the teens, who already had an extensive track record with alcohol and marijuana, continued their vices as they had before. The other half continued to abstain or drink a minimal amount, like they too had done before the study.

In addition to the brain scans, the study also required a detailed toxicology report and substance use assessment. The teens also were interviewed every six months. Researchers did not check the teens’ cognitive ability, but simply took brain scans.

The researchers found that, after the year and a half was over, kids who had drank five or more alcoholic beverages twice a week had lost white brain matter. That means that they could have impaired memory, attention, and decision-making into adulthood. The teens that smoked marijuana on a regular basis had no such reduction.

While other studies have had less clear results, this study is important for a few reasons.

First, it shows that early alcohol abuse can be dangerous because it damages the tissues that influence judgement and self-control. ”If teens decrease their tissue health and cognitive ability to inhibit themselves, they might become more likely to engage in risky behavior like excessive substance use,” the Huffington Post quotes study co-author Joanna Jacobus, postdoctoral fellow at the University of California, San Diego, as saying.

The study authors also said that marijuana strains vary widely, so it’s harder to determine which if any ingredients in a typical joint have positive or negative effects.

The study will be published in the journal  Alcoholism: Clinical and Experimental Research.



  • Yet, one is illegal while the other isn’t. Hello??????? Wake up people. Please wake up

    • So if something is legal its good for you? So how about smoking and alcohol being legal, yet killing millions of people a year, and if you do your research you will realise that there hasnt been a single recorded death from marijuna. Stop being such a sheep and beleiving whatever your told and do your own research. Its just sad that people will beleive what theyre spoon fed, if marijuna is PROVEN with SCIENCE that it isnt BAD FOR YOU, then just because its illegal doesnt mean its bad for you, thats why many states and countrys are now legalizing, so stop being such a lemming and know your facts before being such a fucking dozy idiot.

  • Rubbish. Marijuana produces permanent brain damage, turning some into mad men, the effects of lcohol are temporary and disappears after a good sleep.

    • Your actually a complete fool, marijuana doesn’t turn people into mad men. Look at all the studies out there…the reefer madness ideology is so incredibly wrong it’s not even funny.if you think alchol isn’t bad for you and a good sleep is all you need then you sir are highly uneducated and unintelligent

    • Wow!! You are a moron that should be forced to take power hitsssssssss

    • Wow. What you said is actually 100% wrong.

  • Pukka I think kt meant wake up and make it legal. Pot. Nice post though. Just sayin.

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