Observational studyDeutsches Arzteblatt international2025
The Relation of Multiple Sclerosis to Family History, Lifestyle, and Health Factors in Childhood and Adolescence: Findings of a Case-Control Study Nested Within the German National Cohort (NAKO) Study.
Observational study in Deutsches Arzteblatt international, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- Preventive strategies in neuroimmunology.Neurological research and practice · 2026Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
32 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundMultiple sclerosis (MS) is a neuroinflammatory disease of presumed autoimmune origin. A combination of genetic susceptibility and exposure to certain environmental and lifestyle factors might trigger the onset of MS. The currently known risk factors include a genetic predisposition, infection with the Epstein-Barr virus (EBV), smoking, and an increased body mass index.
methodsIn 2021-22, we carried out a case-control study nested within the German National Cohort (NAKO) to investigate associations of potential risk factors with MS.
resultsThe subjects included 576 persons with MS (cases) and 895 without MS (controls). Beyond the known risk factors, we observed associations between MS and the cumulative number of common childhood infections (odds ratio (OR) 1.14 per additional infection, 95% confidence interval (CI): [1.03; 1.25]), major stressful life events (SLE) (OR 1.25 per additional event, [1.06; 1.48]), being the firstborn child of a mother aged 30 or older (OR 2.11, [1.08; 4.13]); higher amounts of physical activity in the teenage years were associated with a lower risk of MS (OR 0.82 per unit increase in activity level, [0.71; 0.95]).
conclusionWe confirmed known risk factors for MS and found associations with a number of new ones, e.g., the cumulative number of common childhood infections. These findings may shed light on the etiology of MS and merit further study.
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