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WHO's definition of Health
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Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity
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What is physiology?
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the study of function of the body - how the body parts work and carry out their life sustaining activities
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What is pathophysiology?
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deals with the study of the structural and functional changes in cells tissues, and organs of the body that cause or are caused by disease.
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What is disease?
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A condition that impairs the normal functioning of an organism
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What is etiology?
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study of the cause of disease
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Pathogenesis; clinical manifestations( signs and symptoms)
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The progression of the inflammatory process from a fatty streak to the occlusive vessel lesion seen in people with coronary artery disease.
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Diagnosis of etiological factors (causes of disease)
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Etiologies of human diseases include both genetic and non-genetic factors, such as behaviors and chemical exposures.
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Three levels of disease prevention( example)
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Primary prevention:
is directed at keeping disease from occurring by removing risk factors.
Secondary prevention:
detects disease early when it is still asymptomatic and treatment measures can effect a cure or stop the disease from progressing.
Tertiary prevention:
is directed at clinical interventions that prevent further deterioration or reduce the complications of a disease that is already present.
is directed at keeping disease from occurring by removing risk factors.
Secondary prevention:
detects disease early when it is still asymptomatic and treatment measures can effect a cure or stop the disease from progressing.
Tertiary prevention:
is directed at clinical interventions that prevent further deterioration or reduce the complications of a disease that is already present.
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