What determines the ability to stop smoking in old age?

摘要

SIR—In his overview on factors determining the ability to stop smoking, Dr Allen has provided a useful reminder that cigarette smoking remains one of the most preventable causes of disease and premature death, even in later life [1]. Physicians are uniquely positioned in a role through which they can ‘reduce the enormous toll of tobacco use by acting at the public health and public policy levels’ [2].