“…In adolescent humans, the nicotine patch may not prevent development of withdrawal symptoms (Killen et al, 2001) and its efficacy has been less conclusively established with adolescent smokers (Hurt et al, 2000; Smith et al, 1996; Hanson et al, 2003; Moolchan et al 2005). Finally, interestingly, although they report withdrawal symptoms, adolescent smokers may in fact only differ from their nonsmoking peers on reports of cravings in response to abstinence (Smith et al, under review; Prokhorov et al 2005). In addition, adolescents’ patterns of tobacco use are likely more highly constrained than those of adults by such factors as school or home rules and regulations (Wiltshire, Amos, Haw, & McNeill, 2005).…”