Healthier Diets are Associated with Better Mental Health in Adolescents Summary: A systematic review published in Nutrients examined how diet is linked with mental health in adolescents aged 10 to 19 years. It synthesized evidence from 19 studies, including 6 randomized controlled trials and 13 longitudinal studies, to provide a high-quality overview of existing research. Key Findings Healthier dietary patterns were consistently associated with better mental health outcomes in adolescents. Depression was the most frequently studied outcome, but research also included anxiety, stress, well-being, and broader psychological distress indicators. Across studies, adolescents with better diet quality reported fewer depressive symptoms, while poorer diet quality was linked to increased psychological distress. Whole dietary patterns such as the Mediterranean-style diet showed more consistent benefits than single-nutrient supplements. Nutritional Exposures Studied Research e...