Tobacco contains 43 carcinogens, out of which some are organ specific carcinogens and compounds which assist in the formation of carcinogens in the body. The carcinogens and the carcinogenic metabolites are circulated in the body after absorption through the lungs. Metabolism and enzyme activity are also affected due to smoking which in turn affects carcinogenesis.
Smoking is a leading cause of cancers of the oral cavity, esophagus and the larynx. The greater the exposure to tobacco, the greater is the chances of contracting these cancers. The combination of alcohol and smoking greatly increases the risks of cancer. Long term use of smokeless tobacco or chewing tobacco causes cancer of oral cavity and cancers of cheek and gum.
Bronchioloalveolar carcinoma is a cancer of the alveolar space which is the small air sacs in the lungs. It is different from the cell types of lung cancer and is found to be common in smokers and non-smokers. Research shows a strong association between smoking and Bronchioloalveolar carcinoma. But due to its high incidence among non-smokers, tobacco is not considered to be the only cause of this disease.
Liver cancer is found to be very common in developing countries than developed countries. Infection due to Hepatitis-B virus and exposure to food borne carcinogens are considered to be major risk factors. Studies also show that smoking is also a major risk factor for liver cancer.
There is proof that smoking is associated with cancer of the anus also. 48% of anal cancer in male and 41% in female is due to smoking.
Penile cancer is also associated with smoking. 30% of cancers of the penis are caused by smoking.
Taking into consideration the immense number of health hazards posed by smoking it is very important that smokers realize the necessity to Spam link removed.
Smoking is a leading cause of cancers of the oral cavity, esophagus and the larynx. The greater the exposure to tobacco, the greater is the chances of contracting these cancers. The combination of alcohol and smoking greatly increases the risks of cancer. Long term use of smokeless tobacco or chewing tobacco causes cancer of oral cavity and cancers of cheek and gum.
Bronchioloalveolar carcinoma is a cancer of the alveolar space which is the small air sacs in the lungs. It is different from the cell types of lung cancer and is found to be common in smokers and non-smokers. Research shows a strong association between smoking and Bronchioloalveolar carcinoma. But due to its high incidence among non-smokers, tobacco is not considered to be the only cause of this disease.
Liver cancer is found to be very common in developing countries than developed countries. Infection due to Hepatitis-B virus and exposure to food borne carcinogens are considered to be major risk factors. Studies also show that smoking is also a major risk factor for liver cancer.
There is proof that smoking is associated with cancer of the anus also. 48% of anal cancer in male and 41% in female is due to smoking.
Penile cancer is also associated with smoking. 30% of cancers of the penis are caused by smoking.
Taking into consideration the immense number of health hazards posed by smoking it is very important that smokers realize the necessity to Spam link removed.
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