What Causes Diseases? What to do avoid getting diseases?


What is pathogen? What is the role of bacterias, fungi, viruses etc. to cause a disease? What to do avoid getting diseases?



Organisms that cause diseases are known as pathogens. The pathogenic organisms are bacterİa, fungi, protozoans and viruses. Pathogens enter the body through the air, water and food. Using unwashed dishes, eating with dirty hands or sneezing spread pathogens. Bacteria are a group of pathogens. Theyare one-celled organisms that live best in warm, dark and moist places such as the human body. After a bacterium enters the body it reproduces. When many bacteria are present diseases may develop. Some bacteria cause disease by damaging cells while others give out wastes (toxins) that poison the body.

Cholera, diphtheria, pnemonia, scarlet fever, tetanus, tuberculosis, typhoid fever and whooping cough are all caused by bacteria. Viruses are pathogens that cause chicken pox, the common cold, influenza, mumps, polio, rabies, hepatitis and AIDS (Acquired Immune Deficiency Sendrome).

Communicable diseases are diseases that spread from one person to another such as cholera, tuberculosis, common cold and influenza.

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What do you do to avoid getting or spreading communicable diseases?

  1. Wash dishes and glasses with soap and hot water.
  2. Avoid close contact with people who have diseases.
  3. Wash hands before and after meals.
  4. Wash hands after touching animals or soil.
  5. Cover the mouth and nose with a tissue when coughing or sneezing.
  6. Dispose the contaminated material quickly.

Non-communicable diseases are diseases that cannot spread from one person to another such as cancer, diabetes and diseases of the heart. Pathogens do not cause these diseases.

***This article is for informational purposes only. It is not a doctor warning or recommendation.

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