Persons with either a mental disorder or substance abuse disorder (SUD) are twice as likely to smoke as those without (Lasser et al., 2000). Smokers with other drug addictions are heavier smokers (Hughes, 2002; Sobell, 2002), less successful in their attempts to quit smoking (Drobes, 2002; Joseph, Nichol, & Anderson, 1993), and experience greater tobacco-related mortality than the general population (SRNT Subcommittee on Biochemical Verification, 2002). Among individuals who abuse other…