Is cannabis use associated with tobacco cessation outcome? An observational cohort study in primary care.

Background: Some studies suggest cannabis use negatively affects tobacco cessation outcomes, but findings have been mixed. We examined whether cannabis use was associated with tobacco cessation outcomes in a real-world primary care setting.

Methods: The analytic dataset consisted of 35,246 patients who enrolled between 2014 and 2016 in a primary care-based smoking cessation program in Ontario, Canada.

Association of passive smoking with respiratory symptoms and clinical correlates, among married women, in a rural community in Islamabad.

Objective: To investigate the association of passive smoking with respiratory symptoms and clinical correlates in married women in a rural area of Pakistan.

Method: A Cross-sectional study was carried out on married women of Nurpur Shahan (rural Islamabad) by means of an Interviewer administered questionnaire. Systematic sampling of households was done.