Behaviour modification interventions to optimise red blood cell transfusion practices: a systematic review and meta-analysis.

Objective: To assess the impact of behaviour modification interventions to promote restrictive red blood cell (RBC) transfusion practices.

Design: Systematic review and meta-analysis.

Setting, Participants, Interventions: Seven electronic databases were searched to January 2018.

Health effects of exposure to second- and third-hand marijuana smoke: a systematic review.

Background: Recreational marijuana has been legalized in 11 jurisdictions; Canada will legalize marijuana by July 2018. With this changing landscape, there is a need to understand the public health risks associated with marijuana to support patient-care provider conversations, harm-reduction measures and evidence-informed policy. The objective of this work was to summarize the health effects of exposure to second- and third-hand marijuana smoke.