Controversial Study Links Cannabis Abuse to Accelerated Brain Aging

The scientific literature on marijuana and Alzheimer’s is by no means clear cut.

Some studies have identified both THC and CBD — two of the many chemical components found within marijuana — as having potentially beneficial effects on Alzheimer’s and dementia.

Advocates disagree with how the drug is being characterized by Amen.

“There is some exciting preliminary data, based largely on animal models, that components in cannabis can be neuroprotective and may possibly hold keys to addressing the aging process in the brain and/or age-related disorders,” Paul Armentano, the deputy director of the National Organization for the Reform of Marijuana Laws (NORML), told Healthline.

“Obviously, these findings and their implications appear to be opposite of those suggested by Dr. Amen,” Armentano said.

Amen’s findings concerning the impact of marijuana use on brain aging may have been the most visible issue

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