Brad Renfro might have been an adrenalin junkie, no?Speaking of dead B-list celebs, poor little sexy Brad Renfro is dead at 25 from a heroin overdose. Where was the huge media blitz for him? Sure, he was no Heath Ledger, but he was still adorable. And why heroin? If only he stuck with blow like the rest of us, he may still be with us… Tweaked as hell, but with us all the same.