Home»Health»Media aims to scare in misleading stories on recent marijuana study showing abnormalities

Media aims to scare in misleading stories on recent marijuana study showing abnormalities

Correlation does not equal causation, and a single exam cannot show a trend over time. Basic stuff, right?

But judging by coverage of a study just out in the Journal of Neuroscience, these are apparently foreign concepts for many folks in the media.

In the study, researchers at Boston’s Massachusetts General Hospital and Northwestern University in Chicago performed MRI brain scans on 20 young adult “casual” marijuana users and 20 age- and sex-matched nonusers. They found that, in the users, gray matter densities in the nucleus accumbens were higher than in controls, and the right amygdala and left nucleus accumbens were shaped differently.

Interesting, but remember that these findings only reflected differences between the marijuana users and controls at a single point in time. The researchers did not, could not, demonstrate that the differences resulted from marijuana smoking or even that the “abnormalities” relative to controls reflected changes from some earlier state.

You wouldn’t know that from the media coverage. Read more

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Stephen Carter

Stephen Carter is a 30 year old journalist and information technology specialist living in Waco, Texas. He has been working with the cannabis movement since 2009. He founded Texas Cannabis Report in 2013 to bring Texans accurate cannabis related news.

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