Pot smokers might not turn into dopes after all : Nature News & Comment

Cannabis rots your brain — or does it? Last year, a paper published in Proceedings of the National Academy of Sciences PNAS1 suggested that people who used cannabis heavily as teenagers saw their IQs fall by middle age. But a study published today2 — also in PNAS — says that factors unrelated to cannabis use are to blame for the effect. Nature explores the competing claims.

via Pot smokers might not turn into dopes after all : Nature News & Comment.

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