According to recent research the rate of tobacco use in the U.S. has slightly decreased. Yet smoking related lung disease remains prevalent and threatens a large segment of the population. The report linked below discusses eleven smoking related cancers, to go along with lung cancer.
1) Don't start smoking.
2) Quit smoking if you already are.
3) Don't let anyone smoke around you, in your home, car or work place (even when you are not there).