What is disease? How many types of diseases are there? Explain by giving example
Answers
Answer:
The study of disease is called pathology. It involves the determination of the cause (etiology) of the disease, the understanding of the mechanisms of its development (pathogenesis), the structural changes associated with the disease process (morphological changes), and the functional consequences of those changes.
Explanation:
Disease:
★Any deviation from the normal functioning or state of incomplete physical or mental well being is called disease.
★Disease is a condition that impairs the proper functioning of the body or one of its parts.
The diseases may be of different types, such as :
(a) Acute disease: Which lasts for short duration. Example: Common cold. jaundice
(b) Chronic disease: Which lasts for very long period.
Example: Tuberculosis, diabetes.
(c) Infectious disease: Which can be transmitted from one individual to another directly or indirectly.
Example: Influenza, tuberculosis
(d) Non-infectious disease: Which are not transmitted from one individual to another. Example: Cancer, marasmus.
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