2025 Association of Cannabis Legalization With Prevalence of Schizophrenia—Challenges of Attributing Biological Causality to Policy Change – Feb. 2025. Nearly 40 years of evidence from longitudinal epidemiologic studies has shown that cannabis use, particularly heavy use of high-potency cannabis products by adolescents, is associated with increased risk of developing schizophrenia, with clear dose effects. Cannabis … Continue reading Impact of Marijuana on Mental Illness in Adolescents