Future studies need to determine whether improvement in cognition with abstinence is associated with improvement in academic and other functional outcomes.
Investigators examined whether adolescents who use marijuana heavily develop acute psychotic symptoms at a much higher rate than youths who use marijuana minimally or not at all.
A set of characteristics of nonmedical use of prescription opioids in adolescents may help identify youth at high risk for substance use disorder, including opioid misuse, in early midlife.
Warning letters about products illegally marketed as treatments for opioid addiction, pain, and anxiety have been sent to 2 companies, the FDA said Tuesday.
