Johnny Nunez/Getty ImagesDoctors have weighed in on the death of Dr. Dre's son.
Twenty-year-old Andre Young Jr. died of an accidental overdose of heroin and morphine, according to a spokesman for the Los Angeles County Coroner's Office
The case was subsequently closed after the young man's death was ruled an accident.
Young's mother, Jenita Porter, found him unconscious in his bedroom in their Woodland Hills, Calif., home on the morning of Aug. 23. Paramedics pronounced him dead at the scene.
Porter told authorities her son had been out with friends but that she heard him snoring in his room at around 5:30 a.m.
"Dr. Dre is mourning the loss of his son Andre Young Jr. Please respect his family's grief and privacy at this time," Dre's rep, Lori Earl, said at the time.