Browsing: rats

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Adults that use marijuana daily face no brain damage or neuro-chemical changes a study from McGill University suggests. Researchers at the Research Institute of the McGill University Health Centre gave daily doses of an extremely potent and highly concentrated synthetic cannabinoid agonist. Cannabis is a weak semi-agonist, meaning the study used something dramatically more powerful than natural cannabis. Despite this, adult rats in the study showed no ill effects, even after 20 days of daily exposure to this extremely potent chemical.