Codifying medically assisted suicide into law would lead to abuses. I recall a case where family members and doctors held someone down who was fighting and forced lethal poison down the person's throat.
At the very least, we must have mandatory video recording and reporting of everything related to an assisted suicide and a mandatory life-without-parole sentence for those convicted of abusing legal euthanasia. We can not let doctors hold someone down and force poison down their throats then only get a few years in prison.
This is too much like the abortion debate where babies who survived attempted abortions were left to die instead of being cared for.