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Lecture 7

Lecture 7.docx

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ANTH 3280
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Lecture 7Epidemiologyreveals clustersrisk of disease across timespaceculturehealth profession look at clusters to show where things are most at riskthen explores why it is public policy action if pursued why factors should be able to be identified can do it w biomedical diseasesociocultural illness need for policy becomes v important largely this discipline takes as a given the biomedical perspectivetermstreatmentthe biomedical definitions are being usedtheyre fixedbefore study is even started the terminology is already there problem not open to discovering new terms want to know its prevalencehow much of X is there in this population types of prevalence 1 point prevalencehow much of X is there at a particular point in time2 true prevalencelooking at treateduntreated cases prevalences of X all togetherneed to be able to define X3 lifetime prevalenceestimate of how many ppl of this particular pop in the course of their lifetime are likely to experiencebe affected by Xidentifies how to prioritize the particular pop youre dealing withwhich are the areas most at risk4 incidence how many new cases of X are identified duringtime period diagnosis need to figure out the criteria for identifying Xwhat is X identificationdefinition of X1 reliability that those doing the diagnoses come back with the same results2 validity trying to indicatedemonstrate that this what this measure does is indeed measuring what you want it to measureits doing what you want it to do cultural validity3 avoiding category fallacy diagnostician has just assumed that the disease categories found in their culture is found in all other culturesthe errorthis assumptionthe tuskeegee experiment discussed in text for 40 yrs 193040s several afroamericans part of a study wout informed consent US public health officials wanted to know more about syphilis duplicity deceived those in the studywanted to see if there really is an organic component in every disease patients were told their healthcare would be looked after for free 600 pplthought they were being treated for bad blood didnt know they were identified for risk at syphillis they werent treated at all1840s England Dr John Snow biomedical dr personal physician for Queen Victoria outbreak of cholera in London at the time Snow was to explain why some ppl werewerent falling ill with cholera method got hold of london street maps that showed residences crossed off the houses in which someone had died from choleramap of london w shows extremely clearly where ppl are at riskhuge clusters by using this map he begins to show which parts are contaminatedbegins to find that the people that have been dying in households that have been receiving their drinking water supply from a particular company
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