Sylvester Stallone's son's cause of death revealed

Sage Stallone, the son of actor Sylvester Stallone, died of a heart attack and  no signs of excessive drug use, an official with the Los Angeles County Coroner said on Thursday. It was just a natural death," Corral said. A small amount of the sedative hydrocodone in his body, but it was an acceptable level and one that could be found from taking over-the-counter pain medication.