Disabled individuals have challenged this on numerous amounts: as an example, intimate relations are not totally all about procreation, not all the impairments are inheritable, and several disabled individuals accept their disability plus the possibility it could be handed down. Deaf ( having a money D) individuals, as an example, give consideration to deafness to be always a tradition, as opposed to an impairment, and think it will be embraced and celebrated.

With eugenics – a now-discredited social philosophy – Francis Galton pursued the idea of contamination to its rational end.