Whitney Houston died on February 11, 2012, after being found unconscious and submerged in a bathtub at the Beverly Hilton hotel in Beverly Hills, California. She was pronounced dead later that day. The official cause of death was ruled as accidental drowning, with contributing factors including atherosclerotic heart disease (a condition involving the narrowing of the arteries) and cocaine use. Toxicology reports also found other substances such as marijuana, Xanax, Flexeril, and Benadryl in her system, but these were not deemed to have contributed to her death. The combination of heart disease and cocaine use likely caused her to lose consciousness and drown