Disease: Difference between revisions

A '''disease''' is a particular abnormal condition that negatively affects the [[structure]] or [[function (biology)|function]] of all or part of an organism, and that is not due to any immediate external injury.<ref name=":1" /><ref>{{cite web |first = Tim |last = White |url = https://tgb.com.au/injured-people/what-is-the-difference-between-an-%E2%80%9Cinjury%E2%80%9D-and-%E2%80%9Cdisease%E2%80%9D-for-commonwealth-injury-claims/ |date = 19 December 2014 |title = What is the Difference Between an 'Injury' and 'Disease' for Commonwealth Injury Claims? |publisher = Tindall Gask Bentley |access-date = 6 November 2017 |url-status=live |archive-url = https://web.archive.org/web/20171027024609/https://tgb.com.au/injured-people/what-is-the-difference-between-an-%e2%80%9cinjury%e2%80%9d-and-%e2%80%9cdisease%e2%80%9d-for-commonwealth-injury-claims/ |archive-date = 27 October 2017 |df = dmy-all }}</ref> Diseases are often known to be '''medical conditions''' that are associated with specific [[signs and symptoms]]s.<ref name=":1">{{DorlandsDict|three/000030493|Disease}}</ref>{{failed verification|date=June 2020}} A disease may be caused by external factors such as [[pathogen]]s or by internal dysfunctions. For example, internal dysfunctions of the [[immune system]] can produce a variety of different diseases, including various forms of [[immunodeficiency]], [[hypersensitivity]], [[allergy|allergies]] and [[autoimmune disorders]].