• 10.5.15

      The Truth About Britain's 'Flesh-Eating' Cocaine

      Levamisole, a common cutting agent in cocaine, made the news recently for its apparent skin-destroying properties—but there's a lot more to the substance than that.

    • 3.10.14

      The Terrifying Substances People Put in Cocaine

      A researcher who specializes in the study of narcotics talks about purity, how and why cocaine gets diluted as it goes through the supply chain, and why addicts should worry about snorting dewormer.