Page 3 - 2- Lesson Notes- Health and its failure; Disease and its causes
P. 3
Both healthy and disease-free are states of humans who are normal. A healthy person
can be disease-free but a disease-free person need not be healthy.
Healthy Disease Free
A state of complete physical, mental and State of the absence of discomfort in any
social well being part of the body
It depends upon the individual as well as on It depends on the individual only
social and environmental factors
A healthy person will be disease-free A disease-free person may or may not be
healthy
A healthy person is energetic and is able to The performance of a disease-free person
perform as per the requirement depends upon the environment and
personal attitude
Basic conditions for good health:
• Proper balanced and nutritious diet.
• Personal hygiene.
• Clean environment and surroundings.
• Healthy air, no pollution in the surrounding.
• Regular exercise.
• Proper rest.
• Good standard of living and economic status
DISEASE AND IT’S CAUSES:
Symptoms-These are the manifestations or evidences of the presence of diseases.
Symptoms indicate that there is some abnormality in the body. Symptoms do not
give any exact cause of the disease.
Signs- These provide information about the presence of particular disease. These
are distinct for different diseases.
Causes of diseases

