Unintentional suicide...Is there such a thing?

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There are persons who cause their own deaths due to the choices they make. I am thinking of cases such as: *trying to treat a condition themselves instead of seeking professional help. *a discussion I visited earlier was based on this one...refusing to get medical attention after an accident. *being stubborn about leaving an area in the case of an impending natural disaster even after the authorities issued a warning to vacate. *some kid playing around with a gun which accidentally went off and shot him. I am sure there are other similar cases you can add where someone may have caused their own death without setting out to commit suicide. I would certainly like to hear of them. Would you agree that these can be classified as unintentional suicide?