Nutrition Health

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Nutrition Health

  1. 1. Global Disparities in Nutrition and Health
  2. 2. What factors account for disparities in world nutrition? <ul><li>Failure of distribution systems </li></ul>Food distribution in Mogadishu
  3. 3. What factors account for disparities in world nutrition? <ul><li>The inability of people to pay the cost </li></ul>
  4. 4. What factors account for disparities in world nutrition? <ul><li>Traditional cultural practices that favor males over females </li></ul><ul><li>Differential neglect </li></ul>
  5. 5. Which parts of the world are the most vulnerable to hunger? <ul><li>Average daily/capita calorie consumption: </li></ul>
  6. 6. What factors account for a higher incidence of infant mortality? <ul><li>World infant mortality </li></ul>
  7. 7. What factors account for a higher incidence of infant mortality? <ul><li>Physical health of the mother </li></ul><ul><li>Improper weaning </li></ul>
  8. 8. What factors account for a higher incidence of infant mortality? <ul><li>Poor sanitation </li></ul><ul><li>Diarrhea </li></ul>
  9. 9. What factors account for a higher incidence of infant mortality? <ul><li>Malnutrition </li></ul>Marasmus can develop into Kwashiurkor
  10. 10. Child Mortality
  11. 12. World Life Expectancy at Birth What factor accounts for the large gap between LDCs and MDCs?
  12. 13. Types of diseases <ul><li>Infectious </li></ul><ul><ul><li>Viral </li></ul></ul><ul><ul><li>Bacterial </li></ul></ul><ul><ul><li>Parasitic </li></ul></ul><ul><li>Chronic/degenerative </li></ul><ul><li>Genetic/inherited </li></ul>
  13. 14. Epidemic
  14. 15. Pandemic
  15. 16. Endemic Diseases <ul><li>endemic - a disease that is constantly present to a greater or lesser degree in people of a certain class or in people living in a particular location </li></ul>
  16. 17. A disease agent is an organism that spreads infectious diseases hookworm virus bacteria
  17. 18. Vectored diseases are carried from one host to the next by an intermediate host--a vector. Non-vectored diseases are spread through contact--a handshake or a kiss.
  18. 19. World Distribution of Malaria
  19. 20. Distribution of Yellow Fever
  20. 21. Sleeping Sickness Diffusion of Sleeping Sickness Tsetse fly vectors
  21. 22. Areas of Schistosomiasis (Bilharzia) Risk
  22. 23. Dr. Snow’s Map
  23. 24. Life Cycle of a New Strain of Influenza Virus <ul><li>Pigs act as the host of strains from both humans and birds. </li></ul>
  24. 25. World AIDS
  25. 26. Chronic diseases--ongoing and/or diseases of aging <ul><li>The “epidemiological transition” occurs as a population develops and the major causes of death are chronic or degenerative diseases rather than infectious diseases. </li></ul><ul><li>Heart disease, type II diabetes, cancer </li></ul>
  26. 27. Genetic diseases <ul><li>Sickle-cell anemia (African population) </li></ul><ul><li>Down’s syndrome </li></ul><ul><li>Phenylketonuria (European population) </li></ul><ul><li>Galactosemia (milk allergy) </li></ul>
  27. 28. Geophagy <ul><li>Eating dirt to gain calcium. </li></ul><ul><li>Common practice in Africa--brought to US with slavery. </li></ul>

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