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Effect of environmental parameters and pollution on health

Discuss the effect of environmental parameters and pollution on human health.

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a) According to WHO, health is defined as a set of complete physical, chemical, mental and social well being and not merely the absence of disease or infirmity’.
b) Basically health is a quality of life.
c) Earlier, the environment was devoid of pollution and hence humans led a healthy life.
d) With the advent of industrialization, the environment is continuously being contaminated by various pollutants
e) The health of an individual is the result of the interaction of a number of influences which can be classified into following three types:

A) Environmental influences:
Environmental influences are generally classified as the following types
i)  Physical influences
Example - Radiation, Temperature, Humidity and Noise
ii) Chemical influences
Example – Poisons and toxins
iii) Biological influences
Example – Microbes and irritants allergens
iv) Sociological influences
Example - Overcrowding and Isolation
v) Psychological influences
Example - Anxiety, Stress, Depression and Discomfort.

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