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Summary 9,000 Britons memory and mental function were tested at age 50.
Middle aged adults whose memories have grown hazy cant blame occasional pot smoking or other light illicit drug use, new research suggests. In a study of nearly 9,000 Britons whose memory and mental function were tested at age 50, researchers found that those who had used illegal drugs as recently as in their 40s did just as well or slightly better on the tests than peers who had never used drugs.
