EHealth and Epidemiology Slides

EHealth and Epidemiology Slides - In the News Beef Recall...

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1 In the News In the News Beef Recall Expanded to 21.7 Million Pounds After E. coli Found (MyFox TV) Sam's Club hit with beef recall More than 840,000 pounds of ground beef patties will be recalled from Sam's Club stores Senate Unanimously Passes Total Asbestos Ban S. 742 would amend the Toxic Substances Control Act; establish a national mesothelioma registry Start a public information campaign about the hazards of asbestos-containing materials. How Do Bad Things Get In the Body? What affects entry? Body? Solubility of Toxin Water soluble substances are well absorbed through gut & lungs Fat soluble substances are well absorbed through the skin Size of Particulates Particles of small size reach and deposit in the lung Larger particulates are coughed up or sneezed up or swallowed Duration of Contact The longer one has contact with a toxin, the more likely one is to absorb it Environmental Health What Are the Disciplines? Environmental Health Industrial Hygiene Toxicology Env_Occ Med/Nursing Env Health Health Physics/rad tech Industrial Hygiene Industrial Hygiene Focus on the Workplace Skills transfer to many situations Occupational and Environmental Medicine and Nursing Occupational and Environmental Medicine and Nursing Environmental Health Environmental Health • Water Waste management Air pollution
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2 Largely focused on radiation safety – Nuclear power – Radiological diagnostics – Research using radioisotopes Health Physics Health Physics Toxicology Determines the health effects of substances Explores mechanisms of toxicity Explores what influences toxicity How Genetics influences toxicity A Small Town With a Big Problem A Small Town With a Big Problem Libby, Montana Approximately 12,000 people live in and around the small town of Libby, the county seat for Lincoln County, Montana. © 1999, Seattle Post-Intelligencer Six miles from Libby, atop Vermiculite Mountain, lies a dormant strip mine © 1999, Seattle Post-Intelligencer USGS Bulletin 2192 (2002) The mine was a major employer in Libby and Lincoln County, until it closed in 1990.
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3 Company photo; courtesy of Gayla Benefield The mine produced more than half of the world supply of vermiculite between 1924 and 1990.
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