Youth e-cigarette use was associated with subsequent marijuana use, especially among young adolescents aged 12 to 14 years, finds a new longitudinal study (n = 10,364; 2013–2014).

Youth e-cigarette use was associated with subsequent marijuana use, especially among young adolescents aged 12 to 14 years, finds a new longitudinal study (n = 10,364; 2013–2014).: https://ift.tt/2F8XQGX Read more... https://ift.tt/2HYyK0o