I have shocking news. Smoking is very very bad for you. In 1964 the US Surgeon General issued a report summarizing the known adverse health effects of smoking. At that time about 40% of American adults smoked. A widespread campaign followed informing Americans about the link between smoking and lung cancer, emphysema, stroke, and heart attacks. Federal law required the placement of health warnings on cigarette packages, and school children all learned about the adverse health effects of smoki...