Study: Lifetime Cannabis Use Not Associated with Cognitive Decline or Dementia Risk in Older Adults

March 4, 2026

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Marijuana BrainMarijuana BrainResearchers 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.”

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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 post Study: Lifetime Cannabis Use Not Associated with Cognitive Decline or Dementia Risk in Older Adults appeared first on NORML.SCIENCE, aging, brain, cognition, dementia, executive function, health, memory, older adults, seniors