Insel10ebrup Ppt Ch17

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Insel10ebrup Ppt Ch17

  1. 1. Environmental Health Chapter 17
  2. 2. Environmental Health <ul><li>Planet supplies us with: food, water, air, and everything that sustains our life. </li></ul><ul><li>Historically environmental health focused on preventing infectious diseases spread by water, waste, food, rodents, and insects. </li></ul><ul><ul><li>Expansion of the modern day definition. </li></ul></ul><ul><li>Encompassing all the interactions of humans with their environment and the health consequences of these interactions. </li></ul>
  3. 3. Classic Environmental Health Concerns <ul><li>Grew out of the efforts to control communicable diseases. </li></ul><ul><li>Pathogens which can be transferred via sewage, drinking water and food. </li></ul><ul><li>U.S. has a complex health system devoted to control such health issues. </li></ul>
  4. 4. Clean Water <ul><li>Water Contamination and Treatment. </li></ul><ul><ul><li>Fluoridation </li></ul></ul><ul><ul><li>Water-treatment plants </li></ul></ul><ul><li>Water shortages </li></ul><ul><li>What You Can Do to Protect the Water Supply </li></ul><ul><ul><li>Shower </li></ul></ul><ul><ul><li>Sink faucet aerators </li></ul></ul><ul><ul><li>Water saving toilets </li></ul></ul><ul><ul><li>Fix leaky faucets </li></ul></ul><ul><ul><li>Use organic versus chemical fertilizers </li></ul></ul><ul><ul><li>Don’t pour toxins down the drain </li></ul></ul><ul><ul><li>Gardening issues </li></ul></ul>
  5. 5. Waste Disposal <ul><li>Humans generate large amounts of waste. </li></ul><ul><ul><li>Sewage </li></ul></ul><ul><ul><ul><li>Septic system </li></ul></ul></ul><ul><ul><ul><li>Heavy metal </li></ul></ul></ul><ul><ul><ul><li>Polychlorinated biphenyls (PCBs) </li></ul></ul></ul><ul><ul><li>Solid waste </li></ul></ul><ul><ul><ul><li>Garbage </li></ul></ul></ul><ul><ul><ul><li>Sanitary landfill </li></ul></ul></ul>
  6. 6. Waste Disposal <ul><li>What You Can Do to Reduce Garbage </li></ul><ul><ul><li>Products with least amount of packaging </li></ul></ul><ul><ul><li>Products made of recycled paper or recyclable products </li></ul></ul><ul><ul><li>Avoid using foam or paper cups </li></ul></ul><ul><ul><li>Store food in glass jars and reusable plastic containers </li></ul></ul><ul><ul><li>Recycle newspapers, glass, cans, paper, and any other recyclables </li></ul></ul><ul><ul><li>Do not throw electronic items </li></ul></ul><ul><ul><li>Start a compost pile </li></ul></ul><ul><ul><li>Stop junk mail </li></ul></ul>
  7. 7. Food Inspection <ul><li>Pure Food and Drug Act of 1906 </li></ul><ul><li>U.S. Department of Agriculture (USDA) </li></ul><ul><li>U.S. Food and Drug Administration (FDA) </li></ul><ul><li>Overall the food distribution in the U.S. is safe and efficient. </li></ul>
  8. 8. Insect and Rodent Control <ul><li>Great number of illnesses are associated with animal and insect contact. </li></ul><ul><ul><li>Encephalitis </li></ul></ul><ul><ul><li>Lyme Disease </li></ul></ul><ul><ul><li>Rocky Mountain spotted fever </li></ul></ul><ul><ul><li>Bubonic plague </li></ul></ul><ul><ul><li>West Nile virus </li></ul></ul>
  9. 9. Population Growth <ul><li>World’s population currently estimated at 6.5 billion. </li></ul><ul><ul><li>150 people every minute. </li></ul></ul><ul><ul><li>Increasing by 76 million per year </li></ul></ul><ul><ul><li>To exceed 9.1 billion by 2050 </li></ul></ul><ul><li>How Many People Can the World Hold? </li></ul><ul><ul><li>Food </li></ul></ul><ul><ul><li>Available land and water </li></ul></ul><ul><ul><li>Energy </li></ul></ul><ul><ul><li>Minimum acceptable standard of living </li></ul></ul>
  10. 11. Factors That Contribute to Population Growth <ul><li>High fertility rates </li></ul><ul><li>Lack of family planning resources </li></ul><ul><li>Lower death rates </li></ul><ul><li>Population </li></ul>
  11. 12. Pollution <ul><li>Air pollution </li></ul><ul><ul><li>Air quality and smog </li></ul></ul><ul><ul><ul><li>Temperature inversion </li></ul></ul></ul><ul><ul><li>Air quality index (AQI) </li></ul></ul><ul><ul><ul><li>Carbon monoxide (CO) </li></ul></ul></ul><ul><ul><ul><li>Sulfur dioxide (SO 2 ) </li></ul></ul></ul><ul><ul><ul><li>Nitrogen dioxide (NO 2 ) </li></ul></ul></ul><ul><ul><ul><li>Particulate matter (PM) </li></ul></ul></ul><ul><ul><ul><li>Ground-level ozone </li></ul></ul></ul>
  12. 14. The Greenhouse Effect and Global Warming <ul><li>Global warming </li></ul><ul><li>Possible Consequences </li></ul><ul><ul><li>Increased rainfall and flooding or drought. </li></ul></ul><ul><ul><li>Increased mortality from heat stress. </li></ul></ul><ul><ul><li>A poleward shift of about 50-350 miles </li></ul></ul><ul><li>Thinning of the Ozone Layer </li></ul><ul><ul><li>Chlorofluorocarbons (CFCs) </li></ul></ul><ul><li>Acid precipitation </li></ul><ul><li>Energy Use and Air Pollution </li></ul>
  13. 16. Indoor Air Pollution <ul><li>Environmental tobacco smoke (ETS) </li></ul><ul><li>Carbon monoxide and other combustion by-products </li></ul><ul><li>Formaldehyde gas </li></ul><ul><li>Biological pollutants </li></ul>
  14. 17. What You Can Do To Prevent Air Pollution <ul><li>Cut back on driving </li></ul><ul><li>Keep your car tuned up </li></ul><ul><li>Buy energy-efficient appliances </li></ul><ul><li>Replace incandescent bulbs </li></ul><ul><li>Homes well insulated </li></ul><ul><li>Plant trees and shrubs </li></ul><ul><li>Proper disposal of ozone-depleting appliances </li></ul><ul><li>Keep house well ventilated </li></ul><ul><li>Don’t smoke </li></ul><ul><li>Clean and inspect chimneys, furnaces and other appliances </li></ul>
  15. 18. Chemical Pollution <ul><li>Asbestos </li></ul><ul><li>Lead </li></ul><ul><li>Pesticides </li></ul><ul><ul><li>Biomagnification </li></ul></ul><ul><li>Mercury </li></ul><ul><li>What You Can Do to Prevent Chemical Pollution </li></ul><ul><ul><li>Read labels of products purchased </li></ul></ul><ul><ul><li>Proper disposal of house hold products </li></ul></ul><ul><ul><li>Buy organic produce </li></ul></ul><ul><ul><li>Lock-up pesticides </li></ul></ul><ul><ul><li>Use licensed exterminators </li></ul></ul>
  16. 19. Radiation <ul><li>Nuclear Weapons </li></ul><ul><li>Nuclear Energy </li></ul><ul><li>Medical Uses of Radiation </li></ul><ul><li>Radiation in the Home and Workplace </li></ul><ul><ul><li>Radon </li></ul></ul><ul><li>What You Can Do to Prevent Chemical Pollution </li></ul><ul><ul><li>Only get X rays if really needed </li></ul></ul><ul><ul><li>Check local and state health department about radon </li></ul></ul><ul><ul><li>Find out if there are radioactive sites in your area </li></ul></ul>
  17. 21. Noise Pollution <ul><li>Decibels </li></ul><ul><ul><li>Sounds above 80-85 </li></ul></ul><ul><ul><li>Two common sources of excessive noise </li></ul></ul><ul><ul><ul><li>Workplace </li></ul></ul></ul><ul><ul><ul><li>Large gatherings of people at a concert or sporting event </li></ul></ul></ul><ul><li>The Occupational Safety and Health Administrations (OSHA) standards </li></ul><ul><li>What You Can Do to Prevent Chemical Pollution </li></ul><ul><ul><li>Wear ear protectors </li></ul></ul><ul><ul><li>Listen to music on a headset with a volume at or below 6 </li></ul></ul><ul><ul><li>Avoid loud music </li></ul></ul><ul><ul><li>Avoid exposure to painfully loud sounds 80 + decibels </li></ul></ul>
  18. 23. Healing The Environment <ul><li>Share what you have learned. </li></ul><ul><li>Join, support, or volunteer your time. </li></ul><ul><li>Contact your elected representatives. </li></ul>
  19. 24. Environmental Health Chapter 17

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