Alcohol is regularly consumed throughout most of the world, including by nearly half the U.S. population age 12 or older. Heavy drinking, which is also common, contributes to multiple adverse medical, psychiatric, and social outcomes and more than 140,000 deaths annually in the United States. It is the major risk factor for alcohol use disorder (AUD), whose current U.S. prevalence is 11%....
Abstract Cannabis, the most widely used illicit drug, can induce hallucinations. Our understanding of the biology of cannabis-induced hallucinations (Ca-HL) is limited. We used the Semi-Structured Assessment for Drug Dependence and Alcoholism (SSADDA) to identify cannabis-induced hallucinations (Ca-HL) among long-term cannabis users (used cannabis ≥1 year and ≥100 times). A genome-wide...
Cocaine can induce transient psychotic symptoms. We examined the phenomenology of such cocaine-induced psychosis (CIP) using a modified version of the Scale for Assessment of Positive Symptoms (SAPS), a well-validated instrument for the assessment of schizophrenic psychosis. We developed a new instrument, the Scale for Assessment of Positive Symptoms for Cocaine-Induced Psychosis (SAPS-CIP),...