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Although these pathways show that exposure to nicotine directly disrupts monoaminergic systems, disruptions of the endogenous cholinergic system, whether direct or indirect, remain a possibility

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Even as things like seed oils, fluoride and vaccines have stirred up an eyebrow-raising mix of contentious opinions lately, no medical expert on any part of the political spectrum says tobacco is harmless or "no big deal." Tobacco is the leading preventable cause of disease and death in the US, killing nearly half a million people a year, according to the American Cancer Society

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Applying Problem behavior theory to adolescent health behavior In: Jessor R, editor