When Michael Jackson collapsed at his rented mansion last month, the singer's arms were riddled with marks and their veins had collapsed -- both characteristics found in intravenous drug users, sources told CNN on Tuesday. The revelations add to the speculation that prescription drugs played a part in Jackson's death on June 25. The exact cause is pending toxicology results that aren't due for at least another week. A source involved with the investigation into Jackson's death told CNN that ...

Fifteen people were killed and four others seriously hurt when a tourist bus crashed into a crowd in eastern Bulgaria, the country's Interior Ministry said Thursday. Now, the unidentified man's oncologist is asking patients taking the commonly used drug, capecitabine, to carry a doctor's note when they travel to the United States. The oncologist, Eng-Huat Tan of the National Cancer Center in Singapore, described the encounter in a letter published in the current issue of the cancer journal Annals of ...