Ciocco, MarinaGray, SarahCheng, TiffanyMackay, AsiaIn this study, the environment of adolescents was evaluated to determine if the environment a child grows up in can effect first time marijuana usage. It was found that environmental threats prospectively predict early initiation of marijuana use among adolescents.en-USPsychologyBSOSCioccoFIREChild Study of EnvironmentPresentation