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Heavy Marijuana Use May Cause Poor Memory And Abnormal Brain Structure, Study Says

In today's news, apparently heavy marijuana users have memory problems. There's more, but we forgot the rest.
Heavy Marijuana Use May Cause Poor Memory And Abnormal Brain Structure, Study Says
Image from: Flickr

Via PBS News Hour:

Daily marijuana use has a measurable effect on the brain, a new study finds. Photo by Dean J. Koepfler/Tacoma News Tribune/MCT via Getty Images.

Teenagers who smoked marijuana daily for three years performed poorly on memory tasks and showed abnormal changes in brain structure, according to a Northwestern Medicine study. Researchers in Chicago observed the brains of teenagers who were heavy users of marijuana. In those individuals, memory-related structures in the brain appeared to shrink and collapse inward, possibly indicating a decrease in neurons.

These abnormalities were recorded two y...

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