TMZ.com is reporting that according to the medical examiner who conducted the autopsy, The Ultimate Warrior died of a massive heart attack brought on by "Atherosclerotic/Arteriosclerotic Cardiovascular Disease", aka heart disease.
Furthermore, following the Ultimate Warrior autopsy results, officials classified Warrior's death as "natural," meaning neither drugs nor alcohol were directly involved, despite numerous members of the mainstream media attempting to link them to Warrior's death.