21 HUMAN DISEASES

 HUMAN DISEASES

A disease can be defined as a disorder for want of health in mind or body.

Types of Human Diseases

Human diseases can be brodly divided in to two types such as 

(i) congenital and 

(ii) Acquired.

(i) congentital Diseases: Diseases prestn tight from birth and resulting from errors in metabolism or defective body development.

(ii) acquired Diseases: Diseases thatr develop after the birth.

Acquired diseaseds are groupesd as : or non- infections Diseases:

(iii0 Deficiency diseases:

(iv) Allergies and 

(v) cancer.

Communicable or infectious Diseases

These are caused by a variety of pathogenic verses, bacteria, protozoa, fungi

The pathogens are generally carried with the help of a vector.

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