In my last post, I began to discuss how the medical expert David Katz, MD, sees smoking as part of a bigger picture of problems, including dependence on other substances, depression, anxiety, and trouble with weight. I wrote about how the presence of these other factors makes quitting smoking harder, but also sheds light on how to maximize a person’s attempts to quit. For example, identifying and treating depression or anxiety with counseling and (if needed) medications might improve a...


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