Summary: <p>Actor Philip Seymour Hoffman's death from an apparent heroin overdose shocked us all. What's behind the sharp rise in heroin use in the U.S. and debate over what to do about it.</p>
Summary: <p>Actor Philip Seymour Hoffman's death from an apparent heroin overdose shocked us all. What's behind the sharp rise in heroin use in the U.S. and debate over what to do about it.</p>