This paper investigates whether cannabis use leads to worse mental health. To do so, we account for common unobserved … factors affecting mental health and cannabis consumption by modeling mental health jointly with the dynamics of cannabis use …. Our main finding is that using cannabis increases the likelihood of mental health problems, with current use having a …

an overview of this literature, focusing on studies which seek to establish the causal effect of cannabis use on health …, education and labor market success. We conclude that there do not appear to be serious harmful health effects of moderate … cannabis use. Nevertheless, there is evidence of reduced mental well-being for heavy users who are susceptible to mental health …