Health and its Failure
Health is a state of physical, mental and social well being. Good physical and social environment includes clean surroundings, good sanitation, proper garbage disposal and clean drinking water . Good economic conditions includes job opportunities for all for earning to have nutritious food and to lead a healthy life. Social equality and harmony are necessary for a healthy and peaceful life (Watch Health Failure Video to learn more). The conditions necessary for good health are:-
i) Good physical and social environment.
ii) Good economic conditions.
iii) Social equality and harmony.
Personal and Community Issues both Matter for Health : The health of all organisms will depend on their surroundings or their environment. The environment includes the physical environment. So, for example, health is at risk in a cyclone in many ways. Our social environment, therefore, is an important factor in our individual health.
When a person is affected by a disease either the normal functioning or the appearance of one or more systems of the body changes for the worse. These changes give rise to signs of the disease called symptoms. On the basis of the symptoms the physicians look for the signs of a particular disease and conduct tests to confirm the disease.
Communicable Diseases: Communicable diseases diseases which spread from an infected person to a healthy person through air, water, food, vectors, physical contact or sexual contact. Eg :- common cold, chicken pox, mumps, measles, typhoid, cholera, tuberculosis, malaria, AIDS etc.
Non-infectious Diseases (Non-Communicable Diseases) : Non-infectious diseases are diseases which are not spread from an infected person to a healthy person. Eg :- beriberi, rickets, scurvy, night blindness, diabetes, cancer, high blood pressure etc.
Health Failure Video
Useful for CBSE, ICSE, NCERT & International Students
Grade : 9
Subject : Biology
Lesson : Why Do We Fall Ill?
Topic: Health Failure Video
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