(CNN)The death of "Full House" star Bob Saget from a head injury is both a cautionary tale and a reminder that it's happened before.On Wednesday, Saget's family released a statement stating that authorities had "determined that Bob passed from head trauma.""They have concluded that he accidentally hit the back of his head on something, thought nothing of it and went to sleep," the statement read. "No drugs or alcohol were involved."Saget, who was 65, had been on comedy tour at the time of his death and was found dead in his Orlando, Florida hotel room.No information was offered as to how Saget may have hit his head.CNN's chief medical correspondent Sanjay Gupta said it sounded like a possible "bleed on top of the brain" which may have resulted in a "subdural hematoma.""There is a blood collection in this scenario that's on top of the brain pushing on the brain," Dr.