Since 1975, Robert Julien's A Primer of Drug Action has been the definitive guide to the effects of psychoactive drugs on the brain and on behavior. Now in its Ninth Edition, with over 40% of its references dated from between 1998 and 2000, this popular guide continues to lead the way through a rapidly changing field, providing readers with a clear, contemporary, and objective look at every drug and medication that either positively or adversely affects brain function. These include antidepressants, sedatives, opiods, alcohol, marijuana, anabolic steroids, antimanic drugs, hallucinogens, and many others.

A Primer of Drug Action, Ninth Edition includes important new information on

* Herbal medications

* Drug therapy for behavioral and anxiety disorders

* Clinical practice guidelines for treating psychological disorders

* Depression and the action of antidepressant drugs

* The use of newer anticonvulsants in the treatment of bipolar disorder, pain syndromes, and behavioral disorders

* Drug therapy for children, adolescents, and the elderly

* "New