What is disease?


What is disease? How many types of diseases have you studied? Give examples.

(CCE 2011)


Disease. It is a condition of derangement or disturbed functioning of the body or its part. Types of Diseases:

1. On the Basis of Duration. Acute and chronic.

2. On the Basis of Period of Occurrence. Congenital and acquired.

3. On the Basis of Causal Agent. Infectious and non-infectious.

Infectious or communicable diseases can be contagious or non-contagious. Non-infectious disease may be deficiency disease, metabolic disease, degenerative disease, allergy, cancer and injury.

Examples. Influenza, tuberculosis, pneumonia (infectious), cancer (non-infectious).

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Feb. 18, 2022, 4:49 p.m.