Smoking is one of the leading causes of death among Americans. What you don't hear are many of . You may have heard that smoking causes cancer, but there are many more effects of smoking than just cancer. One of the main problems of smoking is that people have a limited knowledge of smoking. In fact, in 1983, one-quarter of the smoking population did not believe that smoking caused illness. In 1991 around one in seven smokers attributed no illness to smoking. This is compared to never-smokers and past smokers, of whom only 3% and 5% respectiv ....