National smoking bans improve health outcomes, Cochrane review shows

BMJ 2016; 352 doi: (Published 04 February 2016) Cite this as: BMJ 2016;352:i701
  1. Jacqui Wise
  1. 1London

National smoking bans do reduce the harms of passive smoking, specifically cardiovascular disease, an updated systematic review from the Cochrane Library has found.1

Since the first version of this review in 2010, more countries have introduced national legislation to ban indoor smoking. The authors said that the updated review provided the most robust evidence yet that smoking bans have led to improved health outcomes.

A team of researchers based in Ireland included 77 studies, representing 21 countries, that investigated the effect of introducing a smoking ban on …

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