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. 2023 Jan 24:14:1086720.
doi: 10.3389/fneur.2023.1086720. eCollection 2023.

Ultra-processed foods consumption is associated with multiple sclerosis severity

Monica Guglielmetti  1   2 , Giuseppe Grosso  3   4 , Cinzia Ferraris  1   2 , Roberto Bergamaschi  5 , Eleonora Tavazzi  5 , Alessandro La Malfa  5 , H Al-Qahtani Wahidah  6 , Anna Tagliabue  1
Affiliations

Ultra-processed foods consumption is associated with multiple sclerosis severity

Monica Guglielmetti et al. Front Neurol. .

Abstract

Background: MS is a chronic inflammatory neurological and immune-mediated disease of multifactorial etiology. Ultra-processed foods (UPFs) have been generally considered unhealthy due to their poor nutritional value. Emerging evidence suggests that factors other than their nutritional content may play an additional role toward chronic inflammation.

Aim: To investigate the potential association of UPF consumption and MS severity in a group of MS Italian consecutive patients.

Methods: Demographic (age, sex, marital status, educational level), neurological (EDSS, MSSS), and nutritional (anthropometric measures, dietary habits) information were collected. Physical activity and smoking habits were also investigated. Food items were grouped according to the NOVA classification. Patients were classified in two groups based on MS severity ("mild" and "moderate to high").

Results: Higher UPF consumption was associated with moderate-to-high MS severity compared to lower consumption in both the unadjusted model (OR = 2.28, 95% CI: 1.04-5.01) and after adjustment for potential background (OR = 2.46, 95% CI: 1.04-5.83) and clinical confounding factors (OR = 2.97, 95% CI: 1.13-7.77).

Conclusions: Although these results are only preliminary and hypothesis generating, it is important to explore how various aspects of the diet may relate to MS severity in order to identify the best strategy to support MS patients over the disease course.

Keywords: NOVA classification; dietary habits; disability; multiple sclerosis; multiple sclerosis severity; ultra-processed food.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

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