A 2015 publication by a team of international researchers declares, “It is time to classify biological aging as a disease.” In 2018, the World Health Organization added an extension code in the latest version of the International Classification of Diseases for “ageing-related” diseases, which it defines as those “ …
Secondly, why is aging not a disease?
Aging of biological systems occurs in spite of numerous complex pathways of maintenance, repair and defense. There are no gerontogenes which have the specific evolutionary function to cause aging. Although aging is the common cause of all age-related diseases, aging in itself cannot be considered a disease.
Also to know is, is aging a natural process or a disease?
Traditionally, aging has been viewed as a natural process and consequently not a disease (Callahan and Topinkova, 1998; Hayflick, 2007). This division may have, in part, originated as a way of establishing aging as an independent discipline of research (Blumenthal, 2003).