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Smoking and Cancer !

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Date Uploaded: 08/08/2012
Cigarette smoking is the number one risk factor for cancer. Dr. Mohamed Lotayef, discusses how smoking causes cancer in the mouth, lung, throat, larynx (voice box), esophagus (swallowing tube) and the whole respiratory system. It also may be a major cause of breast cancer, stomach cancer, cervical cancer and even ureteral cancer.