Pot Smoking Middle Agers Have Sharper Minds

01/05/2012 10:30 am ET | Updated Mar 06, 2012
  • Newser.com

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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