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Principles of Environmental Science
William P. Cunningham, University of Minnesota
Mary Ann Cunningham, Vassar College

Environmental Health and Toxicology

Web Exercises

Learning about Diseases

The World Health Organization has a wealth of information about mortality, disability burdens, life expectancies, demographics, and other topics related to environmental health. You can find massive amounts of data in table form by country, disease, and death rates at http://www.who.int/whosis.

Go to the information about specific diseases at http://www.who.int/health-topics/index.htm. Look at the current status of Ebola and leishmaniasis, and compare them to a disease that occurs closer to where you live (consult fig. 8.4 in this chapter to choose a disease). What organisms cause these diseases? What is their current distribution and prevalence? What environmental and social factors contribute to their spread? What treatment (if any) exists for these diseases, and how might they be prevented? See links on this web page for the newsletter Action Against Infection for up-to-date information about efforts to stop the spread of contagious diseases.