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Mediation of the association between disadvantaged neighborhoods and cortical microstructure by body mass index

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Study finds that stricter firearm laws are associated with lower rate of firearm incidents. The magnitude of this association, however, appears to be smallest for communities experiencing the greatest economic disadvantage.

New study from the UK calls into question the assumption that cannabis use necessarily increases the risk of psychotic disorder. There was no significant association between any measure of cannabis use at baseline and transition to psychosis, the persistence of symptoms, or functional outcome.