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Pot Smoking Middle Agers Have Sharper Minds

Pot Smoking Seniors

First Posted: 01/05/12 10:30 AM ET Updated: 01/05/12 10:52 AM ET

Past or present drug use doesn't seem to damage middle-aged brains, a new study finds.

British researchers studied the mental sharpness of thousands of 50-year-old subjects, and found that those who had used illicit drugs—mainly marijuana—actually performed better than others on tests of memory and other brain functions.

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Filed by David Moye  |