tobacco and weed 5 Questions: Halpern-Felsher on teens' misconceptions about marijuana Does Marijuana Cause Cancer of

doi: 10.1038/nn0407-403

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The Claim: Smoking marijuana does not make teenagers stupid, concludes a study in the current Proceedings of the National Academy of Sciences, contrary to other research that linked getting stoned to impaired cognitive function in adolescents

Cholinergic modulation of angiogenesis: role of the 7 nicotinic acetylcholine receptor