'King of Pop' Michael Jackson became paranoid in the six months before he died and believed he suffered heart attacks and had cancer, a media report said.
According to his aides, Jackson's delusions were caused by his mind and body being ravaged by his addiction to prescription drugs and painkillers, the News of the World reported.
"He was a mental wreck and always felt he had a disease. He was terrified of the sun as it irritated his vitiligo (skin condition) prompting him to claim he had cancer and brain tumours," an aide was quoted by the British tabloid as saying.
"At other times he said he was freezing cold and might have frostbite. On reflection his body and mind were just wrecked by drug use," the aide added.
Jackson also complained of suffering heart attacks leading up to his death in June last year. That's why he hired cardiologist Conrad Murray who is charged with "involuntary manslaughter" as the case nears trial.
His family friend and prosecution witness Terry Harvey was quoted as saying, "I discovered Murray knew about Michael's drug problems for a long time. Michael was a drug-addicted wreck and complained for months about being too ill to perform his shows".
Terry added: "I expect at Murray's trial all those secret things I have discovered will come to the fore".
Another source claimed: "If you are hired as a round-the-clock medic your job is to know what your patient is taking".