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What is cancer?
set of diseases in which abnormal body cells multiply and spread, forming a tumor
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5 types of cancer
- carcinoma
- sarcoma
- lymphoma
- leukemia
- myeloma
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Carcinoma
- caner of the epithelial cells that link the outer and inner sufaces of the body
- breast, prostate, lung, and skin cancer
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Sarcoma
cancer that strikes muscles, bones and cartilage
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Lymphoma
- cancer of the body's lymph system
- included Hodgkin's disease and non-Hodgkin's lymphoma
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Leukemia
cancer of the blood and blood producing system
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Myeloma
grows in the plasma cells of bone marrow
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Inherent risk factors for developing cancer
- genetics and family history: oncogenes, tumor suppressor genes, mismatch repair genes
- ethnic background
- age
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Influential lifestyle factors that increase cancer risk
Diet: primary factor in 1/3 of all cancer deaths
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