In the Nazi German era, the "annihilation of the worthless" cost the lives of at least 100,000 people.
ADF International is supporting a case that challenges the euthanasia law in Belgium at the European Court of Human Rights.
2020 saw a nine per cent increase in deaths by euthanasia and doctor-assisted suicide from the previous year.
The law stipulates that the person must be "capable and conscious" in order to make the request.
The law stipulated that an adult could undergo euthanasia after after prior consultation.
Rebelo de Sousa emphasised that the new law would give enormous prerogatives to doctors to decide who would be euthanised or not.
A number of groups, even Palliative Care groups, have called the proposed legislation from the far left "deeply flawed".
Spanish bishops call for "a genuine therapeutic alliance (...) to humanise the death process through material and spiritual help"