The major findings of the Surgeon General's 2004 report are
1. Smoking harms nearly every organ of your body, causing many diseases and reducing your health in general.
2. Quitting smoking has immediate as well as long-term benefits, reducing risks for diseases caused by smoking and improving your health in general.
3. Smoking cigarettes with lower tar and nicotine provides no clear benefit to health.
4. The list of diseases caused by smoking has been expanded to include abdominal aortic aneurysm, acute myeloid leukemia, cataract, cervical cancer, kidney cancer, pancreatic cancer, pneumonia, periodontitis, and stomach cancer.