====== Substances of abuse ======



<WRAP column 30%>
  * Amphetamines
  * Cannabinoids
  * Cocaine
  * Ethanol
  * Alcohol withdrawal
  * Hallucinogens
  * Gamma-hydroxybutyric acid
  * Inhalants
  * Nicotine
  * Phencyclidine and ketamine
</WRAP>


<WRAP column 30%>
  * 
</WRAP>


<WRAP column 30%>
  * 
</WRAP>