Julien's Primer of Drug Action 15th edition by Julien

Julien's Primer of Drug Action 15th edition by Julien from Macmillan provides a detailed introduction to how drugs affect the brain, body, and behavior. The text explains key principles of pharmacology, neurotransmission, drug classification, therapeutic use, tolerance, dependence, and adverse effects. Coverage includes psychoactive medications, substances of misuse, stimulants, depressants, opioids, hallucinogens, cannabis, and drugs used in mental health treatment. Written for students in psychology, health science, counseling, and related fields, it helps readers understand drug effects through both biological mechanisms and behavioral outcomes.