title: Definitions of life and death continue to elude us.
mesh_terms: D000328:Adult; D001293:Attitude to Death; D001926:Brain Death; D003643:Death; D004993:Ethics, Nursing; D040821:Human Characteristics; D006801:Humans; D008020:Life Support Care / Q000451:nursing*; D008297:Male; D009014:Morals; D028723:Personhood; D010684:Philosophy; D010686:Philosophy, Medical; D035761:Wedge Argument; D028761:Withholding Treatment