While criticizing the media for getting the science wrong on marijuana, media gets the science wrong

How bad is marijuana for your health? What recent press coverage gets wrong.

In an otherwise good critique of the media’s coverage of health issues of marijuana, Slate’s Brian Palmer includes this paragraph:

If you are considering smoking pot—or quitting—here is what you need to know. Smoking marijuana once is very unlikely to harm you. It takes at least 15 grams of cannabis to kill a person, and probably much more than that. A healthy person would have to smoke dozens of joints in a single session to risk death from overdose. People who do die from the acute effects of marijuana die in accidents: A recent study suggested that more than 10 percent of drivers killed in car accidents test positive for cannabis.

What’s wrong with this paragraph?

The regulars here should see a couple of things immediately.

I have written to Brian asking him to address these, but haven’t heard back yet.

[Thanks, Paul]

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