Drowning killed Houston but drugs took high toll

Singer Whitney Houston, left, performs with Dionne Warwick at the pre-Grammy gala & salute to industry icons with Clive Davis honoring David Geffen, Sunday, Feb. 13, 2011, in Beverly Hills, Calif. (AP Photo/Mark J. Terrill)

March 23, 2012 6:48:33 AM PDT
Drugs took many things from Whitney Houston - her pristine voice, clean image and her career - and coroner's officials revealed Thursday that cocaine also played a role in the Grammy winner's death in the bathtub of a luxury hotel nearly six weeks ago.