The shocking origins of the inhumane pseudoscience

Eugenics was the incorrect theory that humans could be improved by selective breeding. So-called ‘faults’ could be bred away; any ‘detrimental’ elements eradicated. Its origins lie with well-respected British medical practitioners; the Nazis put the ideas into practice.

Science expert Angela Saini and disability rights activist Adam Pearson look at the history and legacy of eugenics in this BBC documentary.