Psychedelic Use in Japan, and its Effect on Depression and anxiety: A Cross-Sectional Survey Analysis
Abstract
<p>Introduction: Psychedelic research has expanded globally, but studies in Japan remain limited due to strict drug policies and social stigma. This study investigates the demographic characteristics and mental health effects of psychedelic use among Japanese users, providing insights for future drug policy and mental healthcare. <h4>Methods:</h4> We conducted a cross-sectional survey of Japanese psychedelic users recruited via social media (X, formerly Twitter) from May 1 to June 1, 2024. Eligible participants (aged 18+, Japanese nationals) completed an online questionnaire, reporting demographic data, psychedelic use history, and mental health assessments. Depression and anxiety were measured using the Patient Health Questionnaire-9 (PHQ-9) and the Generalized Anxiety Disorder-7 (GAD-7) scales before and after psychedelic use. <h4>Results:</h4> Among 615 participants, the average age was 33.8 years. LSD was the most used psychedelic. Wilcoxon signed-rank tests showed significant reductions in depression and anxiety scores after psychedelic use (PHQ-9: Z = –14.87, p < .001, r = 0.59; GAD-7: Z = –14.59, p < .001, r = 0.58), suggesting potential mental health benefits. <h4>Discussion:</h4> The findings support the self-medication hypothesis, indicating that individuals may turn to psychedelics for relief from mental distress, resulting in improved symptoms of depression and anxiety. However, the study’s reliance on self-reported data and lack of clinical control limits the ability to establish causal relationships. Further research should investigate the therapeutic potential and risks of psychedelic use in Japan’s cultural context. These findings highlight the need for culturally sensitive drug policies and continued exploration of psychedelic use outside clinical settings.</p>
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