Smoking cessation experts warn, however, that though the drug, varenicline, is a step forward, it is less effective than health officials would like and that there may never be a pill to help most smokers quit.
“Varenicline definitely is not a panacea for smoking cessation,” Robert Klesges of the University of Tennessee Health Science Centre wrote in an editorial accompanying the studies in the Journal of the American Medical Association.
“Many participants in these trials experienced adverse events, stopped taking their study medication before they should have, and discontinued participation in the studies. Importantly, the majority of participants in these three studies did not quit smoking even with varenicline.”
Nevertheless, anti-smoking therapists, as well as smokers wanting to quit, “now have another product...
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