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Nope.

rwein5 said:

science - do you understand it?

The source material for this Reuters news item:

http://www.ingentaconnect.com/search/article?option2=author&val...

I believe it's a peer reviewed medical journal and can't be so blithely dismissed as "drivel."  I posted it because it suggests that the presence of THC, the active ingredient in marijuana, somehow protects the brain in a traumatic event, such as flying off your bike and cracking your cranium on the pavement.  I don't know about you, but I find that a surprising finding.  Plus the additional suggestion that alcohol can, in a more minor way, achieve the same protective result.  So, riding drunk & high may just be safer than getting in a crash while stone cold sober.  That's kind of interesting, and unexpected, don't you think?

Probably true.  The study just finds that people with similar head injuries seem to survive in greater numbers with the presence of THC and alcohol.  Causation of the injury wasn't addressed.
 
Jeff Schneider said:

Although THC and alcohol make it more likely that you will suffer a traumatic brain event...if you are riding a bike, anyway.

I look forward to reading your rebuttal of the journal article in the next issue of "American Surgeon."
 
rwein5 said:

FYI - "peer reviewed medical journal" means virtually nothing.

That journal is in the absolute bottom tier of surgery journals (note the Impact Factor of <1, which is actually trending downward in recent years). No well-respecting publication would touch this. Know that they probably submitted their manuscript/abstract to probably a dozen or more journals before it was finally accepted. Their conclusions are based on zero pre-existing human evidence (aka a priori knowledge) and simply fly in the face of injury epidemiology (not to mention common sense).

In addition, this study simply doesn't measure the dose-response effect (a requirement for establishing causality) and the level of statistical significance is (literally) .001 from being an statistically irrelevant.

Stories I've heard from first responders suggest that the body being more relaxed due to intoxication can help protect against injuries when a crash occurs. Jeff makes a good point about intoxication making a crash more likely. 

Thunder Snow said:

Probably true.  The study just finds that people with similar head injuries seem to survive in greater numbers with the presence of THC and alcohol.  Causation of the injury wasn't addressed.
 
Jeff Schneider said:

Although THC and alcohol make it more likely that you will suffer a traumatic brain event...if you are riding a bike, anyway.

Perhaps the situations were coincidences, but I've heard about real life scenarios from car crashes and other accidents where someone extremely drunk emerged unscathed from an impact that the first responders expected would have resulted in serious injuries. 

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