Smoking harms nearly every organ in the body. It has been concluded that disease-related cataracts and pneumonia, and accounts for about one-third of all cancer deaths. General mortality due to cancer is twice as high as smokers as non-smokers, with the rate of tobacco addiction that is larger than the non-smoking four times. In the cancers caused by tobacco use to lung cancer is smoking is associated with about 90 percent of all cases of lung cancer, the number one cancer killer of both men and women. Smoking is also linked to cancer of the mouth, throat, larynx, esophagus, stomach, pancreas, cervix, kidney, bladder and acute myeloid leukemia
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