Whitney Houston drowned, but how?
Whitney Houston died because of a combination of cocaine, heart disease and, ultimately, drowning. "It's possible she fell asleep," says cardiologist Gina Lundberg, medical director of the Heart Center for Women at St. Joseph's Hospital of Atlanta. "Based on the fact that the coroner lists drowning first would suggest she was alive when she went under the water, so she didn't have a heart attack first." The Los Angeles County coroner's preliminary report Thursday found heart disease had caused blockages in Houston's arteries, common in drug users, but could not determine whether she had had a heart attack. MORE: Reactions to Houston's toxicology report Healthy arteries can withstand oxygen deprivation longer than arteries blocked by plaque, which is caused by "high cholesterol, high blood pressure, elevated blood glucose and genetic factors," Lundberg says. "But we don't know if she h...