Our ability to sustain the lives of the terminally ill and permanently unconscious has increased more than ever. Higher longevity rates and the ability to survive life-threatening traumas have come from the advances made through new medical technologies. More people are living these prolonged or extended lives where most would have died quickly from complications or from the inability to eat and drink. While most patients benefit from these measures, there remain others who are left with a slow agonizing death. At what point is it reasona ....