Marijuana may be even safer than previously thought, researchers say

New study: We should stop fighting marijuana legalization and focus on alcohol and tobacco instead

From Washington Post Feb 23, 2015

Compared with other recreational drugs — including alcohol — marijuana may be even safer than previously thought. And researchers may be systematically underestimating risks associated with alcohol use.

Those are the top-line findings of recent research published in the journal Scientific Reports, a subsidiary of Nature. Researchers sought to quantify the risk of death associated with the use of a variety of commonly used substances. They found that at the level of individual use, alcohol was the deadliest substance, followed by heroin and cocaine.

And all the way at the bottom of the list? Weed — roughly 114 times less deadly than booze, according to the authors, who ran calculations that compared lethal doses of a given substance with the amount that a typical person uses. Marijuana is also the only drug studied that posed a low mortality risk to its users.

These findings reinforce drug-safety rankings developed 10 years ago under a slightly different methodology. So in that respect, the study is more of a reaffirmation of previous findings than anything else. But given the current national and international debates over the legal status of marijuana and the risks associated with its use, the study arrives at a good time.

It’s important to note here that “safer than alcohol” doesn’t mean “safe, full stop.” Indeed, one of the more troubling lines of thought I see in some quarters of the marijuana legalization movement is that because marijuana is “natural,” or because it can be used as (non-FDA approved) “medicine,” it is therefore “safe.”

But of course, rattlesnake venom is natural, too, and nobody would call that safe. And prescription painkillers are medicinal and responsible for tens of thousands of deaths each year.

There are any number of risks associated with marijuana use. Most of these risks involve mental health issues, and most increase the earlier you start using and the more frequently you use.

That said, there are risks associated with literally anything you put in your body. Eat too much sugar and you’re on the fast track to rotting teeth and diabetes. Take in too much salt and you’re looking at increased odds of a stroke. Psychoactive substances, such as marijuana and alcohol, aren’t at all unique for having risks associated with them.

 

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