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Ultra-processed foods consumption is associated with multiple sclerosis severity.
Monica Guglielmetti1,2, Giuseppe Grosso3,4, Cinzia Ferraris1,2
1Department of Public Health, Experimental and Forensic Medicine, Human Nutrition and Eating Disorder Research Center, University of Pavia, Pavia, Italy.
Frontiers in Neurology
|February 10, 2023
Summary
Higher consumption of ultra-processed foods (UPFs) is linked to increased multiple sclerosis (MS) severity. This suggests dietary patterns, beyond nutrition, may impact MS progression and inflammation.
Area of Science:
- Neurology
- Immunology
- Nutritional Science
Background:
- Multiple sclerosis (MS) is a chronic inflammatory, immune-mediated neurological disease with complex causes.
- Ultra-processed foods (UPFs) are often linked to poor health due to low nutritional value.
- Emerging research indicates UPFs may contribute to chronic inflammation through mechanisms beyond basic nutrition.
Purpose of the Study:
- To examine the relationship between ultra-processed food (UPF) intake and multiple sclerosis (MS) severity.
- To assess if UPF consumption is associated with higher MS disease activity in Italian patients.
Main Methods:
- Data collected included demographics, neurological status (EDSS, MSSS), and dietary habits (NOVA classification).
- Physical activity, smoking, and anthropometric measures were also recorded.
- Patients were categorized into "mild" and "moderate to high" MS severity groups.
Main Results:
- Increased UPF consumption showed a significant association with moderate-to-high MS severity.
- This association remained significant after adjusting for confounding factors (OR = 2.97, 95% CI: 1.13-7.77).
Conclusions:
- Preliminary findings suggest a link between higher UPF intake and greater MS severity.
- Further research is needed to understand dietary impacts on MS progression and inform patient management strategies.

