A new analysis published in JAMA Psychiatry indicates that bright light therapy (BLT) is effective for treating various types of depression, not just seasonal affective disorder (SAD). Approximately 40% of patients responded positively to BLT compared to 23% in the control group. The study suggests BLT could be a cost-effective first-line treatment for depression, especially since many patients do not respond to initial therapies. The analysis involved nearly 860 patients across 11 studies, highlighting that even short durations of treatment may yield significant results. Teljes cikk (Euronews.com)