Researchers reported that those with a history of cannabis use “demonstrated significantly better cognitive performance.” Cannabis use “was not associated with increased risk of dementia” and researchers found “no supporting evidence of a causal link with [longitudinal] cognitive decline in later life.”
The frequent use of cannabis is not associated with changes in brain structure, according to data published online ahead of print in the journal Addiction. Authors reported, “[N]ormal variation in cannabis use is statistically unrelated to individual differences in brain morphology as measured by subcortical volume.”
Medical cannabis administration is associated with improved cognitive performance and lower levels of prescription drug use, according to longitudinal data published online in the journal Frontiers in Pharmacology.