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.

Effectiveness of physical activity interventions for improving depression, anxiety and distress: an overview of systematic reviews

Ben Singh, Tim Olds, Rachel Curtis, Dorothea Dumuid, Rosa Virgara, Amanda Watson, et al.

PubMed Summary & key facts 2023 784 citations

This umbrella review pooled evidence from 97 systematic reviews (1,039 randomized trials, 128,119 participants) to examine whether physical activity affects symptoms of depression, anxiety and psychological distress in adults. Overall, physical activity produced medium-sized reductions in symptoms (median effect size for depression = -0.43, for anxiety = -0.42; distress effect…

Physical activity and mental health: a systematic review and best-evidence synthesis of mediation and moderation studies

Rhiannon White, Stewart A. Vella, Stuart Biddle, Jordan Sutcliffe, Justin M. Guagliano, Riaz Uddin, et al.

International Journal of Behavioral Nutrition and Physical Activity Summary & key facts 2024 126 citations

This paper reviewed studies that tested how and when physical activity (PA) relates to mental health. The authors searched four databases up to July 2024 and kept 247 studies. They found strong evidence that 12 specific factors help explain the PA–mental health link (for example, mood, self-esteem, and social support).…

Behavioral Health and Interventions Physical Activity and Health Psychological Well-being and Life Satisfaction

The Potential for Outdoor Nature-Based Interventions in the Treatment and Prevention of Depression

Owens, Matthew, Bunce, Hannah L. I.

www.frontiersin.org Summary & key facts 2022 40 citations

This paper is a conceptual review about using outdoor, nature-based interventions (NBIs) to help prevent and treat depression. It does not present new trial data but argues we need to know the specific “active ingredients” that might make NBIs helpful. The authors list five possible mechanisms (stress, rumination, mindfulness, sleep,…

Behavioral Health and Interventions Outdoor and Experiential Education Urban Green Space and Health

Sedentary Behaviour and Psychosocial Health Across the Life Course

Lee Smith, Mark Hamer

Springer series on epidemiology and public health Summary & key facts 2017 4 citations

The article explains that movement and the brain are closely connected. It reviews research showing movement can help thinking, mood, and stress response, and that being very sedentary is linked with worse cognitive ability and more mental health problems. The piece also notes ongoing studies of brain activity behind movement…

Behavioral Health and Interventions Eating Disorders and Behaviors Impact of Technology on Adolescents

Associations Between Physical Activity, Sedentary Behaviour, Sleep Quality, and Anxiety Among Healthy Pain-Free Adults in Saudi Arabia: An Online Cross-Sectional Survey

Mansour Abdullah Alshehri, Areej Ali Alzylai, Joree Abdulrahman Alshehri, Lana Zaid Alsharif, Wafa Saleem Almalki, Hammad Alhasan, et al.

Sports Summary & key facts 2025 0 citations

This online study surveyed 185 healthy, pain-free adults in Saudi Arabia between December 2024 and April 2025 using validated Arabic questionnaires for physical activity, sleep quality, and anxiety. On average participants reported 1730.02 MET·min/week of physical activity and 6.77 hours/day of sedentary time. The researchers found no significant links between…

Behavioral Health and Interventions Physical Activity and Health Sleep and related disorders

Roots and Shoots: A Pilot Parallel Randomised Controlled Trial Assessing the Feasibility and Acceptability of a Nature-Based Self-Help Intervention for Low Wellbeing

Matthew Owens, Claire Houghton, Paul Beattie, Hannah L. I. Bunce

Behavioral Sciences Summary & key facts 2025 0 citations

This small randomized study tested two 20‑minute nature-based audio exercises — guided imagery (GI) and a nature‑based meditation (NBM) — in 40 adults (average age 38.6). Over a 2‑week period with three measurement points, both exercises were linked with statistically significant improvements in well‑being, self‑compassion, and mindfulness, and reductions in…

Behavioral Health and Interventions Mindfulness and Compassion Interventions Urban Green Space and Health

Summaries and links are for general information and education only. They are not a substitute for reading the original publication or for professional medical, legal, or other advice. Always refer to the linked source for the full study.