The past few years have witnessed remarkable continuing progress in ou
r understanding of the pathogenesis of nicotine dependence and withdra
wal and the ability to treat these disorders. In particular, a better
understanding of populations at special risk, the advent of effective
over-the-counter medications and the recent approval of several new me
dications has greatly increased the ability of health professionals to
rationally diagnose and effectively treat their tobacco-using patient
s. (C) 1998 Rapid Science Ltd.