“…The link between smoking and emotional psychopathology: (1) generalizes across several emotional conditions, including major depression (Leventhal, Japuntich, et al, 2012), dysthymic disorder (Weinberger, Pilver, Desai, Mazure, & McKee, 2012), minor depression (Weinberger et al, 2012), panic disorder (Piper et al, 2011), social anxiety disorder (Piper et al, 2011), posttraumatic stress disorder (PTSD; Zvolensky, Gibson, et al, 2008), and generalized anxiety disorder (GAD; Piper et al, 2011); (2) extends to multiple stages of the smoking trajectory, including initiation (Leventhal, Ray, Rhee, & Unger, 2011; Patton et al, 1998), progression to regular smoking (Audrain-McGovern, Rodriguez, Rodgers, & Cuevas, 2011), development and maintenance of nicotine dependence (McKenzie, Olsson, Jorm, Romaniuk, & Patton, 2010), and risk of smoking cessation failure (Hall, Munoz, & Reus, 1994; Hitsman, Papandonatos, McChargue, Demott, Herrera, Spring et al, 2013). The smoking-emotion relation is bi-directional, as increases in tobacco use heightens risk of emotional disorder symptoms (Breslau, Novak, Kessler, 2004; Khaled, Bulloch, Williams, Hill, Lavorato, & Patten, 2012; Wu & Anthony, 1999; Breslau & Klein, 1999; Johnson, Cohen, Pine, Klein, Kasen, & Brook, 2000) and sustained abstinence decreases emotional symptoms (Kahler, Spillane, Busch, & Leventhal, 2011). …”