text: yes it is true\nEduardo Gory Guerrero Llanes (October 9, 1967 – November 13, 2005),\nAn autopsy revealed that Guerrero died as a result of acute heart failure, caused by undiagnosed arteriosclerotic cardiovascular disease and enlargement of the heart as a result of prior anabolic steroid abuse. Although Guerrero had not taken alcohol or illicit drugs for over four years, his past excesses contributed to his heart failure. At the time of his death, he had recently used narcotic painkillers.\n\nGuerrero's wife Vickie said that he had been lethargic and unwell in the week preceding his death, but that this had been attributed to the stress of continuously traveling and performing. She added that the doctors had told her that Guerrero's blood vessels had shriveled and weakened owing to undiagnosed heart disease, and that he had simply dropped into a deep sleep.\n\nOn the November 30, 2005 edition of WWE Byte This!, Chavo Guerrero, Jr. said that Guerrero had been working very hard and was at peak physical fitness as a result, doing cardiovascular and weight training exercises every day. There had been no symptoms or cause for concern. Guerrero, Jr. noted that, while many people abuse drugs for over ten years with no ill effects, Guerrero, despite having ceased to abuse drugs four years earlier, had suffered heart complications that were not detected in time to prevent his death.