Marijuana's Memory Paradox
Are pot smokers less likely to get Alzheimer's? A compound similar to the active ingredient in cannabis shows promise as a potential memory protector.
Marijuana isn't known for being a friend to memory; its short-term effects notoriously impair recall. And although the data is conflicting, some studies link cannabis with memory deficits in those who use excessive doses for long periods of time
But new research suggests that one of the active ingredients in marijuana—THC—and similar compounds could possibly prevent or even reverse one of the most devastating memory disorders of all:
In a paper published in the December 2008 issue of the journal Neurobiology of Aging, researchers found that a compound that affects the same brain receptors as THC reduced brain inflammation and improved memory in older rats. (The rodents were the human equivalent of age 65 to 70.) Although there's debate over the role played by inflammation in
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