I think the question of whether a person has a right to control their own life, I think without question their life is theirs to control. However when it comes to people who intentionally deprives a human being of his life, or provides the means for suicide, or praises death, or incites one to commit suicide, saying, "Of what use to you is this evil, difficult life? Death is better for you than life," thus having his mind set on the other's death and with the idea that he should die, praises death in various ways or incites him to commit suicide, I think it's akin to murder and speaks to the selfishness of that person.
Rather than giving the person comfort to the person that suffers by caring for them until they die, they take the life of that person because they don't want to deal with their own personal inconvenience. This includes when they don't want to see their depressed and exhausted relative suffer.
They should try and bring them out of the depression rather than say, okay go die.
I make that distinction also with animals. The majority of animals don't want to die and putting them down is unilaterally decided by the humans
who don't want to deal with the inconvenience of giving their pet comfort
until they die of natural causes. Assisted suicide is often a selfish endeavor on the part of the people who are not dying. Instead of killing them I think they should receive mental health care and better pain management.
Read more: Do you agree with euthanasia for the terminally ill? Why? | Answerbag http://www.answerbag.com/polls/agree-euthanasia-terminally-ill-why_2229502#ixzz2ho4FFaB6