The types of diseases are mainly classified by their origins. In the International Code of Diseases (ICD)
Cancers disorders of body chemistry - neoplasms
Hormonal disorder of body chemistry - Endocrine, nutritional and metabolic diseases;
Degenerative disease of joints - congenital and hereditary diseases
Degenerative disease affecting the heart - congenital and hereditary diseases
Diseases due to physical and environmental agents -Injury, poisoning and some other consequences of external causes;
Degenerative disease of the brain - congenital and hereditary diseases
Mental diseases - congenital and hereditary diseases
With this information, we can conclude that the types of diseases are classified mainly by their origins. In the International Code of Diseases (ICD)
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