View the chart above to learn only some of the deadly ingredients a cigarette smoker ingests. There is an additional list of 599 additives approved by the US Government for use in the manufacture of cigarettes; the average person has no knowledge of what these ingredients are, how to pronounce them or even how they affect the body.
The additive list of the most common cigarette ingredients are approved as additives for foods, but they were not tested by burning them, and it is the burning of many of these substances which changes their properties, often for the worse. There are known carcinogens in mainstream smoke and second hand smoke. Your smoking has been directly affecting your health and most likely harming the health of those close to you for many years.