We read Green, de la Haye, Tucker & Golinelli’s paper, ‘Shared risk: who engages in substance use with American homeless youth?’ (hereafter RAND) [1], with great interest and appreciation, both for its rigor and potential impact. We would like to open a friendly dialogue about the implementation of network-based prevention for homeless youth. We believe that these results and the results of others suggest that popular opinion leader interventions are not an advisable network-based strategy.
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