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- Title
The role of diet in the management of psoriasis: a scoping review.
- Abstract
Psoriasis is a chronic, systemic, immune-mediated, inflammatory skin disease associated with significant comorbidities. Globally, there are an estimated 60 million people living with psoriasis (PLwP). There is a growing body of evidence on the role of diet in psoriasis management, and demand for dietary advice is high. However, there are no specific, evidence-based dietary guidelines. This scoping review summarises the literature on use and effectiveness of diet in the management of psoriasis to improve understanding of the evidence and assist PLwP and healthcare professionals (HCPs) to discuss diet. The findings were categorised into three themes: (1) dietary intakes of PLwP, (2) the perceived role of diet in psoriasis management and (3) dietary approaches to manage psoriasis symptoms. In cross-sectional studies PLwP were reported to have higher fat and lower fibre intakes compared with controls, and lower psoriasis severity was associated with higher fibre intake. However, research is limited. PLwP perceive diet to have an impact on symptoms and make dietary modifications which are often restrictive. Systematic reviews and RCTs found certain dietary approaches improved symptoms, but only in specific populations (e.g. PLwP with obesity and PLwP with coeliac disease), and evidence for supplement use is inconclusive. The grey literature provides limited guidance to PLwP; focusing on weight loss and associated comorbidities. Larger, controlled trials are required to determine dietary approaches for psoriasis management, especially in PLwP without obesity and non-coeliac PLwP. Further understanding of diet modification, information acquisition and experiences among PLwP will enhance holistic care for psoriasis management.
- Subjects
THERAPEUTIC use of probiotics; PHYTOTHERAPY; THERAPEUTIC use of vitamin D; REDUCING diets; THERAPEUTIC use of vitamin B12; THERAPEUTIC use of omega-3 fatty acids; WEIGHT loss; PSORIASIS; FOOD consumption; RESEARCH funding; KETOGENIC diet; MEDITERRANEAN diet; SELENIUM; TREATMENT effectiveness; DIETARY fats; SEVERITY of illness index; SYSTEMATIC reviews; MEDLINE; INTERMITTENT fasting; GLUTEN-free diet; COMMUNICATION; DIETARY fiber; CURCUMIN; CELIAC disease; ONLINE information services; DIET; COMORBIDITY; DIETARY supplements; SYMPTOMS
- Publication
Nutrition Research Reviews, 2024, Vol 37, Issue 2, p1
- ISSN
0954-4224
- Publication type
Academic Journal
- DOI
10.1017/S0954422423000185