Although specific causal agents have not been identified, it would seem prudent at this time to advocate discontinuation of cigarette smoking as an effective way of preventing the development of pulmonary diseases and coronary artery disease. However, such a proposal is not easily implemented, since confirmed smokers seldom stop. Almost certainly, reduction or elimination of cigarette smoking can be achieved only if today's nonsmokers never start. Since most smokers begin before age 20, this means that efforts must be directed toward adolescents or even younger children.
Childish Habit. JAMA. 2014;311(2):205. doi:10.1001/jama.2013.279271
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