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Public Health
Eric Runnerstrom

PH 1 Review L12 - mental illness - half of all americans develop at least one illness during their lifetime - epidemiology anxiety, mood disorder, impulse control disorder, substance disorder - gender - females, more anxiety and mood disorders // males - impulse control and substance disorders - age - more in younger populations than 60+ - region - highest southeastern states // associated w/ chronic diseases like obesity, diabetes, cardiovascular - six dimensions of wellness - - emotional - awareness and acceptance of one’s feelings // occupational - satisfaction and enrichment through work // physical - need for regular physical activity // spiritual, - search for meaning and purpose in existence // intellectual - creative, stimulating mental activities // social - contributing to one’s env. and community - associated w/ chronic disease, injuries, substance abuse - difficult to track - risk factors - individual, family, community - children - adhd, mood disorders, autism // adults - anxiety, ptsd, mood disorders, schizophrenia - wellness - active process of becoming aware of and making choices towards a more successful existence L13 - radiation - UV light from sun, x-rays, radon gas, patent meds // skin cancer and melanoma - mercury - neurological damage // japan // coal-burning plants // thermometers, school lab equipment - lead - harmful to brain and NS // children population at greatest risk to exposure - asbestos - fire resistance, used as building material like lead // required in schools - scars lungs // manville corp. // WTC and Montana affected - Rachel Carson’s Silent Spring - beginning of env. movement // focusses on DDT and PCBs // pesticides - occupational exposures - neurotoxins recognized thru occupational illness // hexane, trichloroethylene, pesticide applicators // - hazards - radiation, mercury, lead, asbestos, pesticides // gov’t research, exposure limits, EPA - toxic substances control act, occupational safety and health act, clean air act, fed. insecticide, fungicide, and rodenticide act - absolute safety - impossible // L14 - EPAsets standards for water quality - clean water act - lakes and rivers should be fishable/swimmable // eliminate pollution discharge - safe drinking water act - EPAlocal system standards, enforced by states - global effects of air pollution - higher death rates in most polluted cities - acid rain damages nature - depletion of ozone layer // CFC production phased out // greenhouse effect, CO2 - endocrine disruptor - BPA, phthalates, DDT, PCB - air pollutants - sulfur dioxide - combustion of fuels, coal // acid rain - nitrogen oxides - motor vehicles, irritates resp. tract, acid rain, ozone formation - ozone - sunlight acting on other air pollutants // irritate eyes/resp. system // more deaths from cardiovascular and resp. diseases - smaller particles penetrate deeper into lungs - indoor air pollutants - cigarettes, wood burning stoves/fireplaces, gas ranges, furnaces L15 - what is the pollutant, it’s sources, policies regarding it, health effects, and before/after regulations - waste regulations - before 70s, dumps, incinerators, poured into rivers/lakes/oceans - sanitary landfills - dry, impervious clay // lined with plastic // drains for liquids // vents to control explosive gases - superfund - comprehensive env. response, compensation and liability act - 1980 - tax was not reauthorized in 1995 - tax that industry pays to clean out environmental contaminations due to business practices - industry has to remediated their waste area - coal ash (book) - waste from coal-burning power plants // stored in dumps near rivers // unregulated by EPA// 2008 spill // has heavy metal contaminants, leach into nearby water - NIMBY - not in my back yard // residents responding to proposed hazardous waste disposal in their neighborhood - NIMTOO - not in my term of office // politicians seeking reelection are sensitive to constituents’concerns L16 - gov’t food safety activities - USDA(big budget, 20% regulation) - meat, poultry, animal products // FDA(small budget, less authority, 80% regulation) - everything else, food labels - folic acid added to food - prevent spinal bifida in babies - states regulate shellfish, stores, restaurants, institutions - carrying capacity - number of organisms that can be supported w/o degrading environment - S curve - increasing capacity, hits limits, levels off at carrying capacity // population growth - J curve - exponential, goes past capacity and crashes down - are we living in J or S curve environment - slight negative growth worldwide - UN - best strategies for population growth and
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