“ D I S E A S E ”Dr. Prashant S B osale

DEFINATIONS

Webster said “It is a condition in which body health impaired, departure from state of health, an alteration of human body interrupting performance of vital functions”

Ecological perspective “It is a maladjustment of the human organism to the environment”

Sociological perspective “It is a social phenomenon, occurring in all societies , defined and fought in terms of particular cultural forces prevalent in the society.”

WHY WHO HAS NOT DEFINED ‘DISEASE’?

Disease has spectrum i.e. spectrum of disease

1. Subclinical to Clinical 2. Acute and Insidious3. Carrier State i.e. outwardly healthy but able

to infect others4. Same organism causing different

manifestation 5. Different organism causing same

manifestations6. Course of disease short and prolonged

CONTINUED……

End point of final outcome of disease is recovery, disability or death of the host

Disease: is a physiological / psychological dysfunction

Illness: a subjective state of the person who feels aware of not being well

Sickness: a state of social dysfunction i.e. a role that the individual assumes when ill

CONCEPT OF CAUSATION

The Supernatural Theory of Disease, The Theory of humors by Greeks and Indians

The Concept of Contagion, Miasmatic Theory of Disease which attributed disease to noxious air and vapours

The Theory of Spontaneous Generation Discoveries in Microbiology 1860