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HLTH 102 (10)


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HLTH 102
Scott Leatherdale

READINGS FOR HLTH 102 Topic 1 - How Should We Define Health?  WHO's definition of health can be counterproductive since, now, population's age and pattern of illness is changing.  thresholds for intervention tend to be lowered (i.e. BP, lipids, sugar)  too much emphasis on physical wellbeing --> leads to more people being eligible for screening, when in reality, only 1 person would benefit. This can result in higher levels of medical dependency and risk  "Complete" is neither operational nor measurable  The formulation of health should be the ability to adapt and to self manage! Topic 2 - How Tobacco Smoke Causes Disease  there is no risk-free level of exposure to tobacco smoke  Inhaling causes cancer and cardiovascular and pulmonary diseases, through DNA damage, inflammation, and oxidative stress.  risk and severity related to the duration and level of exposure  Sustained use and long-term exposures to tobacco smoke are due to the powerfully addicting effects of tobacco products, which are mediated by diverse actions of nicotine and perhaps other compounds, at multiple types of nicotinic receptors in the brain.  Low levels of exposure (second hand), lead to a rapid increase in endothelial dysfunction and inflammation, which are implicated in acute cardiovascular events and thrombosis.  no evidence that product modification lower emissions Topic 3 - Risks Associated with Alcohol use and Alcoholism  increased health risks (both physical and mental)  To reduce alcohol’s impact on the burden of disease as well as on other social, legal, and monetary costs, limit consumption to low-risk drinking levels among those who do consume alcohol Topic 4 - Obesity in Canada  Several provinces had increased obesity rates from 2003 to 2007, while others are leveling off, or decreased slightly in 2007  Factors affecting obesity: age, sex, income, place of residence  self-reported obesity rates for men and women increase until age 65, after which they start to decline  Rates are slighter lower for women, except those aged 75+  Higher income women --> lower obesity rates  Measured rates for obesity in youth was higher than self-reported rates; it's likely that the actual prevalence of adolescent obesity is much higher than suggested by self-reported rates  Childhood obesity: increases risk of obesity in adulthood, early development of serious health conditions (i.e. type 2 diabetes, heart disease, and high
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