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causes of diseases

Saturday 24 February 2007

The study of the causes of diseases is etiology.

Etiological classification

According to its cause, a disease can be classified in several categories :
- genetic diseases

- infectious diseases / infections

  • prion-associated diseases
  • viral diseases
  • bacterial diseases
  • fungal diseases
  • parasitic diseases

- dysimmune diseases

- drug-induced diseases
- toxic-associated diseases
- environnemental diseases
- nutritional diseases
- complex diseases / multifactorial diseases
- etiology unknown : idiopathic diseases

- senescence-associated diseases / ageing-associated diseases
- tumoral diseases / Tumors

See also

-  pathology