HPED 2507 Lecture 19: Cancer
6 Oct 2016
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Document Summary
The most common cancers (incidence) continue to be prostate cancer for men and breast cancer for women. Lung cancer remains the number one cancer for both men and women. National cancer institute of canada: canadian cancer statistics 2011. Cancer in canada - % of canadians who will develop cancer during their lifetimes. #1 leading cause of death in canada (leading causes of death 2008, statistics canada [released nov 2011]) Group of conditions result from uncontrolled growth of abnormal cells. 10 million cells in the body divide per minute. Cancer begins when something goes wrong and can no longer control growth. Abnormal cell numbers become so numerous they erode normal function f the tissue. During this phase, abnormal cells may migrate to other tissues and cause dna damage (metastases). 80 -90% all cancers related to environmental factors such as: Diet a major environmental factor = 40% of risk. Westernization of dietary intake and lifestyle high risk of many types of cancer.
