Higher ultra-processed food consumption is associated with higher likelihood of paediatric-onset multiple sclerosis.

BackgroundDiets are increasingly dominated by ultra-processed foods, which have been linked to several chronic diseases. Emerging evidence suggests an association between ultra-processed food consumption and inflammatory diseases, including multiple sclerosis (MS).ObjectiveTo assess associations between consumption of ultra-processed foods and paediatric-onset MS (PoMS).MethodsWe used data from the microbiome sub-study of the Canadian Pediatric Demyelinating Disease Network Study for PoMS cases (symptom onset aged