Acclaimed actor Philip Seymour Hoffman was found dead in his Manhattan apartment on Sunday (February 02) of an apparent drug overdose. One big question in the 46-year-old actor's sudden death: why a talented man at a seemingly good point in his career apparently returned to the drugs that had plagued him in his youth.<br/> <br />Dr. Joseph Haraszti, a California-based addiction expert, explains.<br/> <br />SOUNDBITE Dr. Joseph Haraszti, a California-based addiction expert, saying (English):<br/> <br />"It should not be a surprise entirely because once someone has been addicted to drugs, the possibility of relapse never goes away. It's a life long struggle. So in a sense, I am not surprised."<br/> <br />Hoffman spoke publicly about the addictions he suffered as a young man. But after more than two decades sober, he checked into rehab last May after he had started using again.<br/> <br />On Sunday, the actor was discovered in the bathroom of his Greenwich Village apartment with a syringe in his arm. New York Cit
