Cannabis Use and Risks of Respiratory and All-cause Morbidity and Mortality: A Population-based, Data-linkage, Cohort Study

Nicholas T. Vozoris, Jingqin Zhu, Clodagh M. Ryan, Chung-Wai Chow, Teresa To Although cannabis is frequently used worldwide, its impact on respiratory health is characterised by controversy. … A retrospective, population-based, cohort study was carried out, linking health survey and health administrative data for residents of Ontario, Canada, aged 12–65 years, between January 2009 and […]