Revised April 2013.
Offers an overview of salvia, an herb common to southern Mexico, Central, and South America. Discusses potential health and behavioral effects resulting from its abuse and the extent of use among youth.
Published June 2009. Revised May 2013.
Provides an overview of commonly abused prescription drugs—opioids, central nervous system depressants, and stimulants—and explains how they affect the brain, treatments available, and reported use.