Module 13 (Lec 1)- Cancer Causes and Prevention

Module 13 (Lec 1)- Cancer Causes and Prevention -...

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Prevention of  Prevention of  Cancer Cancer Bio 154 Bio 154 Chap 13 Chap 13
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Cancer is the second leading cause of death in the U.S. Cancer will strike three out of four families. 30% of U.S. citizens will develop some type  of cancer in their lifetimes. Cancer is most common in older people.
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Warning signs of cancer Change in size or color of wart Sore that does not heal or heals slowly Unusual bleeding from bowel, nipples, vagina,  or presence of blood in urine Thickening or lump in the breast or mouth Indigestion that persists or loss of appetite Obvious change in bowel or bladder habits Nagging or persistent cough or hoarseness;  difficulty in swallowing
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Cancer is Not a Single Disease but a Class of Over 100 Different Diseases Cancer is caused by an uncontrolled growth  and spread of abnormal cells Common types of cancer: prostate, breast,  skin, stomach, lung, colon, and kidney Skin cancer is the most common type of  cancer
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Cancer incidence and death rate by site and sex.
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