Nicotine replacement therapy is popularly used to quit smoking products
King and her colleagues were surprised to find that participants from both groups in the study also reduced their rates of drinking
Genetic predisposition to lung cancer As mentioned earlier, lung cancer is often a multifactorial disease possessing both genetic and environmental components

In Canada, 3 pharmacotherapies (bupropion, nicotine replacement therapy [NRT], varenicline) are approved for smoking cessation,15 , 16 with others available as approved natural health products (e.g., cytisine).16 E-cigarettes (also referred to as vaporizers, vapes, or electronic nicotine delivery systems) might also help users quit tobacco smoking or reduce harms of smoking if a person switches from cigarettes to e-cigarettes.17 No e-cigarette products, however, have been approved for smoking cessation in Canada.18 Preferences for smoking cessation interventions vary, and people may attempt to quit multiple times with different interventions or combinations of interventions before being successful.19 This guideline provides a menu of evidence-based interventions that can be provided or referred to by practitioners to help adults choose options that are accessible to them and best fit with their values and preferences