PSY 605 Lecture Notes - Lecture 5: Stomach Cancer, Sedentary Lifestyle, Prostate Cancer
30 May 2018
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• Canadian Cancer Incidence
• Yearly Incidence and Mortality in 2014
• Incidence of cancer is 186,400
• Number of cancer deaths is estimated to be 75,700.
• Cancer incidence is decreasing for some cancers
• Which ones?
• Why?
• For example lung cancer may be decreasing of decreasing in smoking
• Just more general awareness of the adverse health affects or carcinogens of cancer
• a substance capable of causing cancer in living tissue.
• Incidence in 2014
• Distribution of Cancers in Canada
• Incidence and Mortality Rates
• Cancer Risk Factors
• Demographic Factors
• Risk increases with age, especially after middle age
• Canadians aged 50–79 years almost 70% of all new cancer cases in 2012 and
• 62% of cancer deaths in 2012.
• Gender differences in types of cancers
• Prostate cancer is the most common cancer in men (24%), while breast cancer (26%)
is the most common cancer in women.
• More lung cancers in the North, Quebec, and Maritime provinces
• There are more lung cancers in the other provinces because there are more smoking and
there are more people exposed to second hand smoke -factories?
• Cancer & Ethnicity
• Non-Hispanic Whites – higher rates of bladder, ovarian, breast and testicular cancer, and
melanoma
• Hispanics – lowest rates of lung cancer but higher liver and cervix cancer
• Blacks – highest rates of prostate and colon cancer
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