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Kostens påverkan på depression: En strukturerad litteraturstudie
University of Skövde, School of Health Sciences.
University of Skövde, School of Health Sciences.
2023 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Diet and its effect on depression : A structured literature review (English)
Abstract [sv]

Introduktion: Ur ett globalt perspektiv är depression en stor sjukdomsbörda som berör omkring 280 miljoner människor. Tillgängliga behandlingsalternativ innefattar antidepressiva läkemedel och olika former av psykologiska behandlingar. Tidigare forskning indikerar att det finns ett samband mellan kost och psykisk ohälsa och en koppling mellan intag av ultraprocessad kost och depressiva symptom har påvisats. Det anses därmed relevant att undersöka effekten av en hälsosam kosthållning på depression och depressiva symptom. Syfte: Studiens syfte var att undersöka om kost har en positiv effekt vid behandling av depression eller depressiva symptom bland vuxna individer mellan 18 - 65 år. Metod: En strukturerad litteraturstudie som baserades på 20 randomiserade kontrollerade studier som hämtades från databaserna PubMed och Scopus och sedan analyserades med hjälp av en tematisk analys. Resultat: Sex teman identifierades efter att de inkluderade studierna hade analyserats; En oprocessad och näringsrik kostintervention är grundläggande; Kostfiber är en central komponent som gynnar tarmfloran; Omättade fettsyror kopplar till minskade depressiva symptom; Medelhavskosten är en effektiv kostintervention vid depression; Viktnedgång minskar inflammation och depressiva symptom samt Kost i kombination med en annan intervention är mer effektiv. Slutsats: Resultatet av denna litteraturstudie visar att olika kostinterventioner kan minska klinisk depression eller depressiva symptom inom olika riskgrupper. Det saknas dock tillräcklig och även enhetlig evidens för att kunna dra några säkra slutsatser kring kosten som en alternativ behandlingsmetod.

Abstract [en]

Introduction: Depression is a major disease burden from a global perspective that is affecting approximately 280 million people. Treatment options available today include various forms of psychological treatments and antidepressants. Previous research indicates that there is a connection between diet and mental illness and a link between the intake of ultra-processed food and depressive symptoms has been demonstrated. It is therefore considered relevant to investigate the effect of a healthy diet on depression and depressive symptoms. Aim: The aim of this study was to investigate whether diet has a positive effect in the treatment of depression or depressive symptoms among adult individuals between 18 - 65 years of age. Methods: A structured literature review was chosen as study design and 20 randomized controlled trial studies were retrieved from the databases PubMed and Scopus and then analyzed using a thematic analysis. Results: After the studies selected were analyzed six themes were identified; An unprocessed and nutritious dietary intervention is fundamental; Dietary fiber is a central component that benefits the intestinal flora; Unsaturated fatty acids are linked to reduced depressive symptoms; The Mediterranean diet is an effective dietary intervention for depression; Weight loss reduces inflammation and depressive symptoms and Diet combined with another intervention is more effective. Conclusion: The results of this literature study show that different dietary interventions can reduce clinical depression or depressive symptoms within different risk groups. However, there is a lack of sufficient and even uniform evidence to draw any certain conclusions about diet as an alternative treatment.

Place, publisher, year, edition, pages
2023. , p. 57
Keywords [en]
Diet, nutrition, dietary intervention, mediterranean diet, depression, depressive symptoms
Keywords [sv]
Kost, nutrition, kostintervention, medelhavskost, depression, depressiva symptom
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
URN: urn:nbn:se:his:diva-22775OAI: oai:DiVA.org:his-22775DiVA, id: diva2:1772577
Subject / course
Public Health Science
Educational program
Public Health Sciences
Supervisors
Examiners
Available from: 2023-06-21 Created: 2023-06-21 Last updated: 2023-06-21Bibliographically approved

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