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The effects of dietary improvement on symptoms of depression and anxiety: a meta-analysis of randomized controlled trials.

Following a plant-based diet may help an individual to beat depression and anxiety.

​This study examined the link between diets and the occurrence of depression and anxiety by means of a meta-analysis. Researchers pooled data from 16 studies that reported how dietary choices affect the risk of depression and anxiety. 

Researchers noted that greater intake of plant foods decreased the risk of suffering from depression and anxiety. On the other hand, high ingestion of foods rich in fats, such as processed meats, was found to increase the likelihood of experiencing symptoms of depression and anxiety. The results of this meta-analysis reveal that eating vegetarian diets may help to fight off depression and anxiety.

Research Summary Information

  • 2019
  • Firth, Joseph Marx, Wolfgang Dash, Sarah, Carney Rebekah, Teasdale Scott B, Solmi, Marco Stubbs, Brendon, Schuch Felipe B., Carvalho, André F., Jacka Felice, Sarris Jerome
  • NICM Health Research Institute, Western Sydney University, Australia; Division of Psychology and Mental Health, Faculty of Biology, Medicine and Health, University of Manchester, UK; Deakin University, Food & Mood Centre, IMPACT Strategic Research Centre, School of Medicine, Barwon Health, Geelong, Australia Baker Heart and Diabetes Institute, Metabolic and Vascular Physiology, Australia Youth Mental Health Research Unit, Greater Manchester Mental Health NHS Foundation Trust, Manchester, UK School of Psychiatry, Faculty of Medicine, UNSW Sydney, Australia; Keeping the Body in Mind Program, South Eastern Sydney Local Health District, Sydney, Australia; University of Padua, Neurosciences Department, Padua, Italy Padua University Hospital, Psychiatry Unit, Padua, Italy Physiotherapy Department, South London and Maudsley NHS Foundation Trust, London, United Kingdom Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom Post Graduate Program in Health and Human Development, La Salle University, Canoas, Brazil; Hospital de Clínicas de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, Brazil; Department of Psychiatry, University of Toronto, Toronto, ON, Canada; Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada; Black Dog Institute, Sydney, Australia Murdoch Childrens Research Institute, Centre for Adolescent Health, Melbourne, Australia Department of Psychiatry, University of Melbourne, Professorial Unit, The Melbourne Clinic, Melbourne, Australia. Corresponding author: Joseph Firth, NICM Health Research Unit, University of Western Sydney, Penrith, NSW 2750, Australia. Tel: +44 (0)161 306 7914. Email: j.firth@westernsydney.edu.au
  • Yes, Free full text of study was found:
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