“…Laboratory studies have found that, relative to placebo, alcohol consumption significantly increased the intensity of smoking urges in moderate to heavy drinkers (Burton & Tiffany, 1997; King, McNamara, Conrad, & Cao, 2009) as well as in chippers (Epstein, Sher, Young, & King, 2007; Sayette, Martin, Wertz, Perrott, & Peters, 2005), light smokers (King & Epstein, 2005), heavy smokers (Sayette et al, 2005), and abstaining smokers (Kirchner & Sayette, 2007). Furthermore, a positive dose-response relationship was found between alcohol consumption and urge to smoke (King & Epstein, 2005).…”