Why Do We Fall Ill
Anything that prevents proper functioning of cells and tissues will lead to a lack of proper activity of the body. When a person experiences such a condition, he is said to be 'ill' or 'in poor health'.
What is health?
• A state of 'being well'
• A state of being well enough to function well physically, mentally and socially.
Which are the factors important for staying in good health?
• Physical Environment
• Social Environment
• Cleanliness (Personal Hygiene and Public Cleanliness)
• Good Food
• Good economic conditions
• Social Equality and harmony (an example of how community issues effect individual health)
• To have the opportunity to realise the unique potential in all of us
Disease = Dis Ease = Disturbed Ease and there is a specific cause for this discomfort.
Disease is any harmful change that interferes with the normal appearance, structure, or function of the body or any of its parts.
Conditions essential for being free of a disease
• There should be no discomfort to the individual.
• There should be no specific and particular cause for a discomfort
Difference between being 'healthy' and 'disease free'
• It is possible to be in poor health without actually suffering from a disease
• When we think about health, we think about societies and communities
• When we think about disease, we think about individual sufferers
To identify a disease, we look for signs and symptoms.
• Unfavorable change in the functioning or appearance of one or more systems of the body.
• Signs - things we feel as being "wrong".
• Symptoms give an indication of the disease.
Example: Headache, cough, fever, loose motions, pus in the wound etc are symptoms
Laboratory tests are done to confirm the presence and type of disease.
Types of Diseases (based on Duration)
Acute Diseases Eg. Common Cold
Chronic Diseases Eg. Elephantiasis
An Acute disease does not cause major effects on
A Chronic disease will cause major effects on general
health(Loss of weight, feeling tired all the time, being short of breath)
An acute disease may affect a person for a few days or weeks
A chronic disease may affect a person for years
An acute disease will not cause drastic long term affects on the health of a person.
A Chronic disease will cause drastic long term affects on the health of a person.
(Prolonged general poor health)
First Level Cause
Second Level Cause
Third Level Cause
Infection by Microorganisms
Lack of Good nourishment
Poverty and lack of public services
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