Distinguish between- Infectious and non – infectious diseases. [Textbook question 1 pg no. 13]

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Infectious diseases Non-infectious diseases

1. The diseases which can be transmitted from one patient to other person are called infectious diseases. 1. The diseases which cannot be transmitted from one patient to other person, are called non-infectious diseases.

2. Contaminated air, water, food or carrier! vector animals or insects spread the infectious diseases. 2. Non-infectious diseases are not transmitted through any medium.

3. infectious diseases are acute diseases as they are suddenly caused due to infections from either bacteria, virus or protozoan. Thus, their symptoms are seen sooner. 3. Some non-infectious diseases are due to hereditary causes, some are a clue to failure in metabolism, some due to deficiency of the nutrients. Their symptoms are not seen suddenly but are developed gradually.

4. Antibiotics or antihelminth medicines are used to treat the infectious diseases. E.g. Tuberculosis, hepatitis, leprosy, cough and cold, etc. 4. Antibiotics cannot be used for treating non-infectious diseases. These diseases have a proper treatment. E.g. Diabetes, cancer, heart diseases, etc.Tuberculosis, hepatitis, leprosy, cough and cold, etc.

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