It ought to say disease since I'll probably die from diabetes eventually.
Your death will be by poison, probably because you are a glutton and are around so many people that it would be easy to get away with it. Several important people in history share your fate.
Posion\t80%
Suicide\t80%
Bomb\t67%
Disappear67%
Gunshot\t60%
Stabbed\t60%
Accident53%
Suffocated53%
Natural Causes40%
Eaten33%
Disease\t20%
Cut Throat7%
Drowning7%