Smoking of tobacco causes lung cancer for sure. 87 percent cases of the lung cancer are due to smoking of tobacco. Smoking is also responsible for causing oral cavity, thyroid and bladder cancer .Even second hand smoke is causing 3000 lung cancer death cases per every year. Tobacco smoke produces harmful chemical agents that cause cancer. Total lifetime exposure to cigarettes causes to have increase in having risk factors of death. Taking smoking cessation will really useful in decreasing the risk factor of lung cancer and also other cancer related disease.

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What is Skin cancer: Skin cancer is the most common type of cancer found in humans. Around 1 million skin cancer cases were registered for every early and this annual rate is increasing drastically due to increase in risk factors. Skin cancer can be recognized by the changes in appearance of the skin. Skin cancer causes the skin cells to grow rapidly without any controlling limit.

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Rectal cancer: Colon and Rectal are both the part of digestive system. All the waste material is stored in the colon part and the rectal is the end part of the colon which is adjacent to the anus, it is used to store the stool. Together the colon and Rectal form the large intestine (large bowel).Rectal cancer occurs in the inner lining of the large intestine. Polyps of large intestine are termed as benign tumors and cancer caused tissue is termed as malignant tumor in the large intestine.

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Prostate cancer: Prostate cancer is referred as malignant tumor because it is cancerous and moreover it spreads to the various organs in the body. It has metastatic characteristics. Prostate cancer occurs to the cells of prostate gland. These cancer cells have disorder in their life cycle. Prostate cancer occurs due to the unusual growth of the cells in the prostate glands without controlling limit. Mobility of these uncontrolled cells from original state to distant state causes destruction to the adjacent body tissues.

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What is pancreatic cancer: Cancer which is found in the pancreas is termed as pancreatic cancer. Pancreas is a softy organ located in the back of the abdomen region. Pancreas produces pancreatic juice which is useful for digestion of food in the small intestine. Pancreatic cancer is referred as the malignant tumor because it spreads through out the body. It usually travels through blood vessels and lymph nodes. So, during surgery process the lymph nodes are also removed to check for the cancer cells.

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