The major findings of the Surgeon General’s 2004 report are:

• Smoking harms nearly every organ of your body, causing many diseases and reducing your health in general.
  
• Quitting smoking has immediate as well as long-term benefits, reducing risks for diseases caused by smoking and improving your health in general.
  
• Smoking cigarettes with lower tar and nicotine provides no clear benefit to health.
  
• 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.