 At the end of the Second World War, with the example of Nazi eugenics, eugenics faded from public discourse, and increasingly disability cohered into a set of attributes that medicine could attend to – whether through augmentation, rehabilitation, or treatment.In both contemporary and modern history, disability was often viewed as a by-product of incest between first-degree relatives or second-degree relatives.In the early 1970s, disability activists began to challenge how society treated disabled people and the medical approach to disability.