Recent SemestersFall 2026, Spring 2026, Fall 2025, Spring 2025Class SizeNot publishedCredits3PrerequisiteHSER 340 or PSYC 400 with a grade of "C" or better Transfers ToCSUDescriptionThis course is a study of the absorption, metabolism, and the mechanism of action of alcohol and other psychoactive drugs including opiates, stimulants, depressants, cannabinoids, and psychedelics. It includes the pharmacological mechanisms as well as the social and psychological implications of tolerance, habituation, and substance abuse of the user and abuser. This course is not open to students who have completed HSER 341.Usually HeldMon 1:30pm–2:50pm, Mon Wed 1:30pm–2:50pm, Tue 4:30pm–5:50pm, Tue Thu 12:00pm–1:20pm 