People recovering from substance abuse are twice as likely to relapse within three years if they are a smoker.
Weinberger, Andrea H., et al. “Cigarette Smoking Is Associated With Increased Risk of Substance Use Disorder Relapse: A Nationally Representative, Prospective Longitudinal Investigation.” The Journal of Clinical Psychiatry, Physicians Postgraduate Press, Inc., 22 Feb. 2017.http://www.psychiatrist.com/JCP/article/Pages/2017/v78n02/v78n0203.aspx
HealthDay. “Smoking slows recovery from drug abuse.” Chicagotribune.com, 27 Mar. 2017, www.chicagotribune.com/lifestyles/health/ct-smoking-addiction-recovery-health-20170327-story.html. Accessed 21 Sept. 2017.http://www.chicagotribune.com/lifestyles/health/ct-smoking-addiction-recovery-health-20170327-story.html