Lecture 3

Lecture 3 - Introduction to Environment and Health Outline...

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Introduction to Environment and Health
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utline Outline eading for today: Basic Environmental Reading for today: Basic Environmental Health – Chapter 1 (in coursepack) ealth and the environment Health and the environment • Basic requirements of a healthy nvironment environment • Patterns of health throughout the world: emographic and epidemiologic transition, demographic and epidemiologic transition, global burden of disease ulnerable Populations Vulnerable Populations
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Life Expectancy Continues to Increase – Why? From: http://www.who.int/whr/1998/en/whr98_en.pdf
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ome Ideas Some Ideas provements to our living environments Improvements to our living environments • Improvements in nutrition • Improved medical care • Probably all of these
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nvironmental Health Science Environmental Health Science wo key things: Two key things: • “Hazards in the environment, their effects on health, and the variations in sensitivity to ,y exposures within populations; and the development of effective means to protect against hazards in the environment.” • This course is essentially about the first of these key things, although we are pragmatic – recall our definition of environment
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Definitions of Health and Environment HO definition of health “Health is a state WHO definition of health Health is a state of complete physical, mental and social ell- eing and not merely the absence of well being and not merely the absence of disease or infirmity.” ut usually we deal with disease • But, usually we deal with disease, disability or death
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ontinued Continued • John Last defined environment as “All that which is external to the individual human host. It can be divided into physical, biological, social, cultural, any or all of which can influence the health status in populations.” Recall that we’re a little more pragmatic in this course and like to focus on features of the environment that are modifiable to improve human health ast’s definition: Based on the notion that human health Last s definition: Based on the notion that human health is a function both of our genetic endowments and the environment enetic factors often determine susceptibility to Genetic factors often determine susceptibility to environmental exposures • Think, if everyone smoked, lung cancer would be ought of as a genetic disease thought of as a genetic disease
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he vast majority of historical The vast majority of historical improvements to health have come with nvironmental interventions environmental interventions • Think about improved sanitation in 19 th entury industrial Britain; changes to the century industrial Britain; changes to the normative environment that did not upport smoking support smoking
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lma Ata Agreement 1979 Alma Ata Agreement 1979 oal of the world community should be Goal of the world community should be “the attainment by the people of the world by the year 2000 of a level of health that will permit them to lead a socially and economically productive life.” It was noted
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Lecture 3 - Introduction to Environment and Health Outline...

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