RT Journal Article SR Electronic T1 A call to include people with mental illness and substance use disorders alongside ‘regular’ smokers in smoking cessation research JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 261 OP 262 DO 10.1136/tobaccocontrol-2014-052215 VO 25 IS 3 A1 Anna Lembke A1 Keith Humphreys YR 2016 UL http://tobaccocontrol.bmj.com/content/25/3/261.abstract AB This commentary points out that smoking is increasingly concentrated among people with psychiatric problems and other substance use disorders (eg, alcohol use disorder), and argues that for clinical, ethical and efficiency reasons, such individuals should be routinely enrolled in smoking cessation research.