Euthanasia

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…the symptoms get worse over a long period of time. They will be involved right to the end, by which time they may be greatly distressed or traumatised. Doctors and hospital staff have the advantage of being used to seeing such things and having clinical detachment, friends and family do not. If euthanasia were an option, the family of the patient (as well as the patient themself) could be spared a great deal of distress.