THC in marijuana makes rats lazy, less willing to try cognitively demanding tasks
New research from the University of British Columbia suggests there may be some truth to the belief that marijuana use causes laziness — at least in rats.
The study, published today in the Journal of Psychiatry and Neuroscience, found that tetrahydrocannabinol (THC), the main psychoactive ingredient in marijuana, makes rats less willing to try a cognitively demanding task.
“Perhaps unsurprisingly, we found that when we gave THC to these rats, they basically became cognitively lazy,” said Mason Silveira, the study’s lead author and a PhD…
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