This infographically well-displayed article by reviews one survey of which drugs do the most damage to:

  • Harm to the addict
  • Harm to others related to the addict
  • Total harm to the addict and the community at large
  • Types of harm caused by different drugs

Alcohol, crack cocaine, and heroin obtained top spots in this list of harmful substances.  To read this article in its entirety, please click here.