According to the American Lung Association, cigarette smoke contains over 7,000 chemicals! Of those there are 69 which are known to cause cancer. Smoking is directly responsible for approximately 90% of lung cancer deaths and according to the Surgeon General of the United States 2014 Report on Smoking and Health: "One out of every three cancer deaths in this country is from smoking."
There are approximately 8.6 million people in the U.S. who have at least one serious illness caused by smoking. The list of other diseases caused by smoking or where it is a major factor includes:
- coronary heart disease,
- abdominal aortic aneurysm,
- acute myeloid leukemia,
No wonder one of the warnings on the side of the cigarette pack says:
Surgeon General's Warning: Quitting smoking now greatly reduces serious risk to your health