Tnnesen P, Nrregaard J, Simonsen K, Swe U
I love cigars, but after three years of smoking one-a-day, I began to feel the toll on my lungs," Bershad said

Several international guidelines (from the National Institute for Health and Care Excellence, the New Zealand Ministry of Health, the Royal Australian College of General Practitioners, and the Haute Authorit de Sant de France) advise that e-cigarettes may be used for cessation in certain cases but that information should be provided on the risks and uncertainties, including that e-cigarettes are not licensed medicines in most jurisdictions, and that there is a lack of evidence on long-term harms.95 , 97 99 The Australian and French guidelines suggest that other therapies should be considered first.97 , 99 The United States Preventive Services Task Force judged that the evidence on e-cigarettes was insufficient and recommends directing patients to interventions with proven effectiveness and safety.94 Gaps in knowledge Large comparative trials101 will likely refine future recommendations

Weekly behavioral support and assessments (weeks 113) Participants in all groups will receive brief behavioral support weekly and be asked about their smoking status, adverse events, and concomitant medication
Traditional cigarettes contain thousands of chemicals, many of which are known to be carcinogenic