The drug groups discussed in In the Know: Prescription Drugs are tranquilizers (barbiturates and benzodiazepines), stimulants (amphetamines), and opioid painkillers (Vicodin, OxyContin, and the like). The program details the social effects, biological functions, and short- and long-term effects of each of these substances. Pamphlet included with VHS tape. Running length: 15 minutes. Year Produced: 2001.