Textbook Notes (368,123)
Canada (161,661)
HLTA02H3 (137)
Chapter 1

Chapter 1

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Department
Health Studies
Course
HLTA02H3
Professor
Toba Bryant
Semester
Winter

Description
Chapter 1: Epidemiological Approaches Epidemiology: study of health and its determinants in specified populations with goal of improving health Root word: epidemic o Origins come from the study of causes of diseases Mainly concerned with illness or disease rather than health and well-being Early epidemiology o John snow, plotted incidence of death on maps between deaths and drinking water, then removed the handles of water pumps, resulted in less deaths o Epidemiology sometimes overlooks improving health after cause of disease is identified o Mostly conducts studies and report results, action not usually considered o William Farr, registrar-general of London recognized that poverty was an important associate of poor health Health as a concept differs on the level being considered o Cellular level Glucose is key nutrient or energy substance Consume as much food as possible to get as much glucose as we can, then each cell would be healthy But excessiveness is bad Obesity, high concentrations of oxygen over long time can lead to lung disease and babies go blind with pure oxygen o Individual level Exercise and eat right o Keep individual and cellular level advice different o Japan smokes the most but are also the healthiest o Considers risk factors in an individual that produce unhealthy organs Risk Factors: a behaviour or other characteristic that is associated with the condition studied Removing the pump handles may be more preferable to teaching people to boil water The Causeof the Cause o Clifford Geertz, recounts story of how the world rests on a number of infinite turtles o Discussion of disease and its causes limited by societal norms Population Health Epidemiology o John Snow did shoe leather epidemiology went door to door to collect info o Studying diseases must be done in context, hard to find risk factor of lung cancer in a population where everyone smokes o Also involved with development of powerful computers o Must control for socio-economic status to find an effect o Homosexuality is not a disease in Canada. Fibromyalgia and Chronic Fatigue Syndrome are not recognized as diseases yet. o Pluto: for democracy to work, gap between rich and poor should be no more than 1 in 4 o Rudolph Virchow: politics is medicine practiced on larger scale o John Snow: published book on pump handle Learning from Health Data on Populations o WHO: Health is a state of complete physical mental and social well-being and not merely the absence of disease or infirmity o Life expectancy calculated from death rates of people and ages in a given year Number of years lived by a person of a hypothetical population will give you the number of life expectancy www.notesolution.com
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