New Hampshire Pressures Presidential Candidates on Heroin Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Re-enactment of heroin user burning heroin on spoon. Heroin is a white brownish powder that can be smoked, sniffed or dissolved in water and injected. ( Universal Images Group / Getty ) Produced by Mythili Rao and Cameron Drews Produced by PRI and WNYC