New study first to suggest that living in big cities, experiencing physical or sexual abuse, migration, cannabis consumption or problematic alcohol use during pre-adulthood, can markedly alter gene expression through epigenetics, and lead to a higher risk of becoming a violently aggressive adult.

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New study first to suggest that living in big cities, experiencing physical or sexual abuse, migration, cannabis consumption or problematic alcohol use during pre-adulthood, can markedly alter gene expression through epigenetics, and lead to a higher risk of becoming a violently aggressive adult.