The extreme specialisation of doctors is even more damaging. The sick human being has been divided into small regions, and each region has its own specialist. When he devotes himself, from the beginning of his career, to the analysis of a tiny part of the body, he remains so ignorant of the rest, that he is not able to know that part in detail either.
https://www.weltanschauung.info/2019/01/i-danni-delle-specializzazioni-acarrel.html?m=1