Health And Medicine

p EpidemiologyThe study of the distri neverthelession of complaints in nations and of factors that influence the item of affection . Epidemiology examines epidemic (excess ) and endemic (always present ) ailments it is based on the comment that most diseases do non occur every which way , entirely are related to environmental and personal characteristics that diverge by place , prison term , and subgroup of the population . The epidemiologist attempts to determine who is inclined(predicate) to a circumstance disease where chance of the disease is highest when the disease is most belike to occur and its trends over time what br exposure its victims go in common how much the peril is change magnitude with exposure and how many cases of the disease could be avoided by eliminating the exposureEpidemiologic flak has hel ped to explain the transmission of communicable diseases , such(prenominal) as HYPERLINK hypertext remove protocol / web .answers .com / epidemic cholera _top cholera and HYPERLINK http / web .answers .com /measles _top measles , by discovering what exposures or host factors were shared by individuals who became sick . modern epidemiologists support dedicated to an understanding of factors that influence the examine of chronic diseases funnily cardiovascular diseases and crab louse , which account for most deaths in essential countries today . Epidemiology has established the HYPERLINK http / entanglement .answers .com /causal _top causal association of HYPERLINK http / vane .answers .com / rump _top cigarette smoking with heart disease shown that HYPERLINK http /www .answers .com /aids _top acquired immune deficiency syndrome (AIDS ) is associated with certain cozy practices linked HYPERLINK http /www .answers .com /menopause _top menopausal estrog en use to increased take a chance of HYPERL! INK http /www .answers .com /endometrial-cancer-2 _top endometrial cancer besides to devolved adventure of HYPERLINK http /www .answers .com /osteoporosis _top osteoporosis and demonstrated the value of HYPERLINK http /www .answers .com /mammography _top mammography in reducing breast cancer fatality rate .

By identifying personal characteristics and environmental exposures that increase the risk of disease , epidemiologists provide crucial input to risk assessments and contribute to the reflexion of public health policyDescriptive epidemiological studies provide cultivation or so the occurrence of disease in a population or its subgroups and trends in the frequency of dis ease over timeAnalytic epidemiologic studies seek to identify specific factors that increase or decrease the risk of disease and to HYPERLINK http /www .answers .com /quantify _top quantify the associated risk . In observational studies , the look forer does not alter the air or exposure of the study subjects , but observes them to learn whether those overt to different factors differ in disease rates (Greenberg , 2004 ,.28Clinical ResearchThis patient-oriented research , conducted with benevolent subjects (or on material of human origin such as tissues , specimens and cognitive phenomena ) for which an investigator at a time interacts with human subjects (Wills , 2003 ,.13 ReferencesRaymond S . Greenberg , Stephen R . Daniels , W . Dana Flanders , rump William Eley , arse R . Boring (2004 )- HYPERLINK http /books .google .co .ke /books ?q subject 22 medical enquiry 22 Medical EpidemiologyManfred...If you want to get a beat essay, order it on our website: OrderEssay.net

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