Effects of climate Changes on Human Health

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Effects of climate Changes on Human Health

  1. 1. Dr. Avinash BhondwePresident, Indian Medical Association, 2008-09
  2. 2. III
  3. 3. W.H.O. Definition-Physical, Mental & SocialWell-being & not merely absence of Disease
  4. 4. Climate & Seasons
  5. 5. BODY TEMPERATURE CONTROL
  6. 6. MAIN SYSTEMS OF HUMAN BODY RESPIRATORY MUSCULOSKELETAL DIGESTIVE CIRCULATORY NERVOUS SYSTEM SKIN & SOFT TISSUES PSYCHOLOGICAL
  7. 7. Respiratory System The Air is Inhaled in the body through Respiratory Tract. That’s why it is affected most by weather changes
  8. 8. Respiratory System  Extreme cold, More Humidity, Wet Climate-  Sneezing, Cold  Irritation & Cough  Pneumonia  COPD, Chronic Bronchitis
  9. 9. Microscopic View OfTrachea, Bronchus, Bronchioles & Lungs
  10. 10. Coughing out the Sputumis a protective mechanism
  11. 11. Musculo-Skeletal System 208 bones656 to 850 Muscles
  12. 12. Blood Supply to Bones  Blood vessels contract or dilate as per Climate Temperature  Cold causes constriction & Pain  Hot causes relief  Joint Pains, Fracture Pains, Arthritis, Bony Pains
  13. 13. Digestive System  Cold- increases Hot- Reduces Appetite  Cold Causes Constipation  Hot causes Dehydration Vomiting & Constitpation  Rainy Season- Gastroenteritis
  14. 14. Circulatory System  Cold reduces the Diameter of the Blood vessel causing reduced flow  Hot dilates the vessels causing perspiration & low B.P., dehydration
  15. 15. Nervous System  Cold causes nerve roots pain  Hot causes burning  Cold stimulates brain activity  Hot reduces the speed of the process  Sun Stroke , Convulsions
  16. 16. Skin Problems  Perspiration in Hot & wetness in Rainy season causes- Fungal Infections groins, clefts  Taenia Paedis  Summer/ Cold Rashes  Cracks of the Heels, palms  Exfoliation of skin & lips  Dryness of skin in both
  17. 17. Psychology & Behavior  Hot causes Confusion, Slow mentation, Drowsiness,  Hot increases Anger, Irritability  Severe cold causes apathy, lack of attention
  18. 18. BETTER TEMPERATURE FOR GERMSIdeal Temp: 15- 37 ^ C Ideal Temp: 5- 37 ^ C
  19. 19. Weather Changes & Infections  Cold  Fevers  Loose Motions  Vomiting  Joint Pains  Skin Problems  Eye Problems
  20. 20. Weather Changes & Infections  Fever is a part of Immune Mechanism to abolish the germs causing infection  Fever Helps to kill Viruses & Bacteria by increasing the Temperature of the Body which is not favorable for the germs to grow.
  21. 21. Hygiene – Climate- Health
  22. 22. Infectious Diseases Jaundice ( Infectious Hepatitis) Malaria, Dengue, Chikungunya Typhoid H1N1 Bacillary/ Amoebic Dysentery Bronchial Asthma, Acute & Chronic Bronchitis Pneumonia Leptospirosis
  23. 23. Direct & Indirect EffectsClimate & Weather changes cause- Direct effects which are mainly Physiological The indirect effects of Weather due to irresponsible Social Behaviour & Public Health Negligence – Result into Infectious Diseases & their Epidemics
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