Why do we fall ill

Why do we fall ill

Top definitions

  

1)   Health – A state of being well enough to function well physically, mentally and socially.

2)   Disease - Lack of a feeling of ease due to impairment of health or a condition of abnormal functioning.

3)   Acute disease – Disease lasting for a short period of time.

4)   Chronic disease – Disease lasting for a long time, even as much as a lifetime.

5)   Vectors – The intermediate animals causing the spread of infecting agents from a sick person to another potential host.

6)   Infectious diseases – Disease where microbes are the immediate causes.

7)   Communicable disease - A disease capable of being transmitted from an infected person to a healthy person.

8)   Immediate cause of disease - The cause which immediately kindles a disease into action, when there occurs a predisposition towards it. 

9)   Contributary cause of disease – A cause or condition whose presence makes it more probable that a particular disorder will occur, but that cause is neither necessary nor sufficient for the occurrence of the disease. 

10)                Antibiotics - A substance produced by bacteria or fungi that destroys or prevents the growth of bacteria and other microorganisms.  

11)                Immunisation - The process of inducing immunity by administering a vaccine to allow the immune system to prevent infection or illness when it subsequently encounters the infectious agent.

12)                Vaccine – A preparation of a weakened or killed pathogen or of a portion of the pathogen's structure that upon administration stimulates the immune system to fight against the pathogen but is incapable of causing severe infection.

13)                Pathogen - Any disease-producing agent such as a virus or bacterium or other microorganism.

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