Frontier mental health research: psychedelics & drug studies

Each month our editorial team sifts through hundreds of papers and curates notable findings—for practitioners and informed readers who want to stay current with the evidence. Subscribe to the monthly Research Digest for expert analysis and concise summaries of key papers.

2 papers

A randomised controlled trial of dietary improvement for adults with major depression (the ‘SMILES’ trial)

Jacka, Felice N., O’Neil, Adrienne, Opie, Rachelle, et al.
SpringerLink Summary & key facts 2017 1,000 citations

This 12-week randomised trial tested a structured dietary program (a modified Mediterranean-style diet) against a social-support control in adults with moderate to severe major depression. Sixty-seven people were randomised (33 to diet, 34 to control). The diet group showed larger drops in depressive symptoms on the MADRS scale at 12…

Diet and metabolism studies Eating Disorders and Behaviors Nutritional Studies and Diet

Smartphone screen time reduction improves mental health: a randomized controlled trial

Christoph Pieh, Elke Humer, Andreas Hoenigl, John J. Schwab, Doris Mayerhofer, Rachel Dale, et al.
BMC Medicine Summary & key facts 2025 27 citations

This randomized trial tested whether cutting daily smartphone screen time to 2 hours or less for three weeks changed mental health in healthy students. 111 students (mean age 22.7 years, mean screen time 276 minutes/day) were assigned to the 3-week limit (n=58) or to continue usual use (n=53). After the…

Digital Mental Health Interventions Impact of Technology on Adolescents Psychological and Temporal Perspectives Research
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