March 22, 2012 5:38 pm Whitney Houston Autopsy Explained Whitney Houston died of an accidental drowning partially to blame on heart disease and cocaine, the coroner’s office said. Dr. Bruce Hensel breaks down three possible reasons for why the pop star passed. US & World Videos 3:12 Groundbreaking new device targets liver tumors 5:38 SoCal family wins $11M settlement against mental health facility 2:17 Kaiser Permanente reaches tentative agreement with union 1:21 Why some are getting Botox shots on arms 4:20 What Is Cardiac Arrest and How Common Is It Among Young People?