Why Do We Fall Ill

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• Summary

Health is a general condition of a person's mind and body. According to WHO (World Health Organisation) health is a “state of physical, mental and social well-being of a person”.

Differences between Being Healthy and Disease-free

Healthy	Disease-Free
It is a state of being well enough to function well physically, mentally and socially.	It is a state of absence from diseases.
It refers to the individual, physical and social environment.	It refers only to the individual.
The individual has good health.	The individual may have good health or poor health.

Community Health :

1. All those activities which people do both individually and in groups for the development of their society, constitute the community health.
2. Personal and community health are supplementary to each other.
3. We protect ourselves by keeping our body clean.
4. For this, we also require a good and healthy environment in our surroundings.
5. We can have this only by the means of community health and development.

So, both personal and community health are inter-related.

Health’ is a state of being well enough to function well physically, mentally and socially.

1. Disease: Any disturbance in the structure or function of any organ or part of the body.
2. The various causes of diseases are pathogens (virus, bacteria), lack of nutritious diet/balanced diet and lack of public health services.
3. Acute diseases occur suddenly and last for a short duration while chronic diseases develop slowly and last for long period of time.
4. The diseases/infections can be prevented by lifestyle (exercise, proper sleep, enough relaxation) modification, taking balanced diet, good personal health and hygiene and also maintaining a clean and healthy surrounding.
5. Treatment involves the killing of the microbes/pathogens.

The conditions necessary for good health are :

1. Good physical and social environment.
2. Good economic conditions.

Good physical and social environment includes clean surroundings, good sanitation, proper garbage disposal and clean drinking water.

Good economic conditions include job opportunities for earning to have nutritious food and to lead a healthy life.