Author: Brandon A. Weber / Source: Big Think
- Occasional use, defined as once or twice, can actually increase grey matter volume.
- Unfortunately, anxiety is also increased.
- 35 percent of 10th graders have experimented with cannabis.
It’s all about the Gray Matter Volume (GMV)
Medical Marijuana Patient Battles Cancer.
Photo credit: Justin Sullivan/Getty ImagesOccasional cannabis use by teenagers can actually expand the structure of certain regions of the brain, a study published in the Journal of Neuroscience on January 14 illustrates.
“Occasional” cannabis use is defined as using the substance once or twice, rather than regularly. From the report: “We identified extensive regions in the bilateral medial temporal lobes as well as the bilateral posterior cingulate, lingual gyri, and cerebellum that showed greater GMV in the cannabis users.”
What does it mean?
Photo credit: FRED TANNEAU / AFP / Getty Images
Increased brain volume in those regions is associated with an increase in performance on tests related to perceptual reasoning, but also — notably — an increase in generalized anxiety…
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