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Stream/Area:
-
Subject:
-
Paper ID:
IJSREM67275
Volume:
10 |
9 |
Sep 2026
Pages:
1-8
Publication Frequency:
Monthly (12 issues per year)
License:International Journal of Scientific Research in Engineering and Management follows the Creative Commons Attribution 4.0 (CC BY 4.0) License, allowing free use and distribution with proper attribution.
Department of Electro Homeopathy
All India Council of Technical Education and Technology
Department of Electro Homeopathy
All India Council of Technical Education and Technology
Rheumatoid arthritis (RA) is a chronic systemic autoimmune disease characterized by persistent synovial inflammation, progressive cartilage destruction, bone erosion, and substantial functional impairment. Although genetic susceptibility is an important determinant of disease risk, environmental and lifestyle factors can influence the initiation and progression of autoimmune inflammation. Diet has emerged as one potentially modifiable factor, with particular interest in excessive consumption of refined carbohydrates and added sugars. High dietary sugar intake, especially through sugar-sweetened beverages and highly processed foods, may contribute to systemic inflammation through several interconnected mechanisms, including repeated postprandial metabolic stress, insulin resistance, oxidative stress, adipose-tissue inflammation, activation of innate immune pathways, and alterations in the intestinal microbiome. Evidence directly linking dietary sugar to RA remains less extensive than evidence concerning broader dietary patterns. Nevertheless, epidemiological findings have reported an association between frequent sugar-sweetened soda consumption and seropositive RA, while experimental studies provide biological evidence that high-sucrose diets can aggravate arthritis severity and inflammatory tissue changes. In a collagen-induced arthritis model, a high-sucrose diet was associated with increased paw swelling, inflammatory infiltration, pannus formation, and increased expression of Toll-like receptor 4 (TLR4) and interleukin-1β (IL-1β). These findings support a possible relationship between excessive sugar intake and inflammatory pathways relevant to RA. This paper examines the possible contribution of high sugar consumption to systemic inflammation and autoimmune joint disease, focusing on pro-inflammatory cytokines, oxidative stress, metabolic dysfunction, gut-immune interactions, and pathological joint changes. A representative pathological case study is also presented to illustrate how excessive dietary sugar may interact with other established risk factors in a patient with RA. Current evidence does not establish dietary sugar as a sole cause of RA; rather, it is best considered a potentially modifiable dietary factor that may influence inflammatory burden and disease progression.
KEYWORDS
Rheumatoid arthritis represents a complex interaction between genetic susceptibility, environmental exposures, immune dysregulation, and chronic inflammation. Increasing evidence suggests that diet may influence the inflammatory environment in which autoimmune disease develops and progresses. High consumption of added sugars, particularly through sugar-sweetened beverages and highly processed foods, is biologically plausible as a contributor to systemic inflammation. Potential mechanisms include metabolic dysfunction, insulin resistance, oxidative stress, adipose-tissue inflammation, innate immune activation, cytokine production, and gut microbiome alterations. Human epidemiological evidence has identified an association between frequent sugar-sweetened soda consumption and increased risk of seropositive RA, while experimental evidence demonstrates that high-sucrose diets can worsen pathological features of arthritis, including inflammatory infiltration and pannus formation. However, current evidence does not justify the conclusion that dietary sugar independently causes RA. Rather, excessive sugar consumption should be viewed as one potentially modifiable component of a broader dietary and metabolic risk environment. For patients with RA, reducing added sugar—especially sugar-sweetened beverages—may be a reasonable component of an overall anti-inflammatory dietary strategy. Such measures should complement, rather than replace, evidence-based pharmacological treatment and rheumatological care. Future research should focus on well-designed prospective studies and randomized dietary interventions examining specific sugar exposures, inflammatory biomarkers, gut microbiome changes, autoantibody development, and RA disease activity. A better understanding of these relationships could help establish whether dietary sugar reduction can meaningfully modify the biological course of autoimmune joint disease.
1. Hu Y, Costenbader KH, Gao X, et al. Sugar-sweetened soda consumption and risk of developing rheumatoid arthritis in women. American Journal of Clinical Nutrition. 2014;100(3):959–967. 2. High-Sucrose Diet Accelerates Arthritis Progression in a Collagen-Induced Rheumatoid Arthritis Model. Molecular Nutrition & Food Research. 2023. 3. The role of diet in rheumatoid arthritis. Reumatologia. 2018. 4. Dietary Habits and Nutrition in Rheumatoid Arthritis: Can Diet Influence Disease Development and Clinical Manifestations? 2020. 5. Do Interventions with Diet or Dietary Supplements Reduce the Disease Activity Score in Rheumatoid Arthritis? A Systematic Review of Randomized Controlled Trials. 6. Dietary sugar consumption and health: umbrella review of systematic reviews and meta-analyses. BMJ. 2023.
Publication Date
9/15/2026
Peer Review Type
Double-Blind Peer Review
Review Rounds: 2
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The authors declare no conflict of interest related to this research work.
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