| Cancer is a disorder of genes. Genes are
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| | Pollution.
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| a small part of DNA which are made up of
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| | 5. Unbalanced Diet : Alteration in the
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| proteins. The genes mainly produce
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| | diet of the people is a major cause of
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| proteins which are involved in
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| | cancers. About 35% of the cancers caused
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| controlling cell growth and division. But
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| | are due to imbalanced diet and that too
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| due to errors or mutations(a sudden
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| | due to excessive intake of food. Over
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| change), the abnormal change in the no.
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| | eating causes Obesity which is
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| of cell divisions occurs and this
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| | responsible for many type of cancers like
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| increases to an uncontrollable change.
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| | cancers of Breast, Colon, Rectum,
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| This change is called a "Tumor". There
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| | Pancreas, Prostrate, Gall Bladder,
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| are two types of tumors : Benign and
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| | Ovaries and Uterus.
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| Malignant.
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| | 6. Hazards in Occupation: People in
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| Benign tumor is not considered as a
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| | occupation involved in working of
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| cancer but Malignant is considered as a
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| | elements that are a cause of cancers are
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| Cancer.
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| | about 4% of all cancer deaths.
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| Cancers are also of many types mainly
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| | A few types of cancers and their
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| caused at different specific regions of
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| | occupational hazards are listed here that
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| the body and have different general
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| | are reported by researchers:a) Lung
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| causes.
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| | cancer is caused due to excess of
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| The following are the factors that cause
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| | Asbestos exposure.b) Bladder cancer
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| Cancer :
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| | mainly in Dye, rubber and gas workers.c)
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| 1. Tobacco : Eighty to ninety percent of
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| | Skin and Lung cancer in smelter, gold
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| cancers are due to tobacco usage, mainly
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| | miners and arsenic workers.d)
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| smoking. Smoking is shown to cause
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| | Leukemia(Blood Cancer) in Glue and
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| cancers in noticeable parts of the body
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| | varnish workers.e) Lung cancer in PVC
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| like the Respiratory tract, Esophagus,
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| | manufactures.f) Uranium miners are
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| Larynx, Bladder, Pancreas and liver,
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| | effected with Lung cancer and bone marrow
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| kidney and stomach also in a few cases.
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| | cancer.
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| 2. Alcohol : Alcohol is the major factor
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| | 7. Environmental cause: Radiations from
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| involved in the cause of Liver cancer. If
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| | the sun, especially UV radiation
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| alcohol and tobacco are taken together,
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| | isresponsible for 1-2% of all cancer
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| then they are the major risk factors in
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| | deaths. Other sources of harmful
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| the cause of Mouth, Pharynx, Larynx and
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| | radiations are X rays, Radon gas, and
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| Esophageal cancers.
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| | radiations from nuclear material.
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| 3. Sexual Behavior : A virus called as
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| | 8. Infectious agents: Scientists have
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| Human Papilloma Virus, is known to cause
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| | shown evidences that about 15% of all
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| cancer of the Cervix. This is sexually
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| | cancer deaths are resulted after
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| transmitted between the individuals. Also
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| | infections from bacteria, virus and other
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| women who are without children are
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| | parasites.
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| usually having risk of Ovarian or Breast
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| | 9. Through generations: A few types of
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| Cancer.
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| | cancers are caused generation to
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| 4. Pollution : The main polluting agent
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| | generation in the same families. Eye
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| which is closely related to cause of
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| | cancer, Breast cancer and a type of colon
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| cancers is Asbestos particles. The other
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| | cancer are continued generation after
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| dangerous cause of cancer from pollution
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| | generation in certain families.
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| is from the chemicals that are released
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| | Out of these causes a few can be
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| from the sewage released from the
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| | prevented and a few can not be prevented
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| industries. The chlorine added to water
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| | as they might be transferred by genes in
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| also is a minor cause of Cancer. Only one
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| | the family.
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| percent of cancer deaths are due to
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|
