There is sufficient and consistent evidence that alcohol use is a causal risk factor for injury. For cannabis use, however, there is conflicting evidence; a detrimental dose-response effect of cannabis use on psychomotor and other relevant skills has been found in experimental laboratory studies, while a protective effect of cannabis use has also been found in epidemiological studies. 

So these researchers took a look at 468 randomly-selected injured patients from an emergency department of a hospital.  They determined whether the patients had used alcohol, cannabis, or nothing at all six hours prior to their injury.

Not surprisingly, they found people who drank alcohol were more likely to be injured, and in a dose-relationship way, i.e., the drunker you get, the more likely you’ll get injured.  But then an interesting discovery:

The most surprising result of our study was the inverse relationship between cannabis use and injury. Possible explanations and underlying mechanisms, such as use in safer environments or more compensatory behavior among cannabis users, were discussed.

via Abstract | Alcohol and cannabis use as risk factors for injury – a case-crossover analysis in a Swiss hospital emergency department.

Meaning that not only were stoned people less likely to become injured than drunk people, but also less likely to be injured than sober people!  And that the more stoned you get, the less likely you are to become injured!

Some people might take this to mean that it’s hard to get injured eating Cheetos on the couch watching Spongebob.  I think it means stoners’ attraction to the safest of all recreational intoxicants naturally selects the people who make safer decisions in other areas of life.

TAMPA, Fla. (AP) — Olympic great Michael Phelps has acknowledged ”regrettable” behavior and ”bad judgment” after a photo in a British newspaper showed him smoking marijuana.

In a statement released to The Associated Press, the swimmer who won a record eight gold medals at the Beijing Games conceded the authenticity of the exclusive picture published Sunday by the tabloid News of the World.

Phelps said: ”I engaged in behavior which was regrettable and demonstrated bad judgment. I’m 23 years old and despite the successes I’ve had in the pool, I acted in a youthful and inappropriate way, not in a manner people have come to expect from me. For this, I am sorry. I promise my fans and the public it will not happen again.”

via Phelps Apologizes for Marijuana Use – NYTimes.com.

Youthful and inappropriate.  Childish things, as our president might say.  ”It will not happen again.”  Not to get all Clintonian on you, Mike, but does “it” refer to “smoking marijuana” or does “it” refer to “photos surfacing in newspapers showing you smoking marijuana”?

I’ll never understand the mindset that accepts as rational the idea that these world class athletes – Michael Phelps, Ricky Williams, Ross Rebagliati, those Russian sumo, etc. - can dedicate their entire lives to eating right, working out, honing their bodies and minds to the pinnacle of their sport, but should they wish to relax and unwind, they’re forced to ingest a hard liquid drug that has noticably deleterious effects on health and athletic ability (Max McGee notwithstanding) rather than a mild herb that doesn’t seem to  have affected their abilities whatsoever.

Even more perplexing is the notion that, in the name of “sports medicine”, these athletes are accustomed to taking all manner of narcotic pain killers and other pharmaceutical cocktails that aid performance or mitigate injury, but are addicting (Brett Favre, *cough*,) and wreak havoc on the liver and kidneys, yet if we catch them smoking weed we have to mete out severe punishment (Santonio Holmes, notwithstanding).

As I look at the coverage on Huffington Post (admittedly, a liberal website) almost all comments are “it’s well past time to legalize it” and “so what” and “didn’t hurt Phelps’ performance any”.  Oh, an Obama brother pot bust and an eight-time gold medalist bong photo following ten days of growing drumbeat over President Obama’s non-response to the Tahoe Raid… somebody really did get me a swell birthday present!