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Regarding whether the different clinical course of multiple sclerosis (MS) is the result of different pathogenic mechanisms, because different pathogenic mechanisms have different risk factors; and whether all MS clinical phenotypes are different manifestations of similar potential pathogenic mechanisms, These issues have always been controversial.
Recently, an authoritative journal in the field of neurology published a research article in the Journal Of Neurology Neurosurgery And Psychiatry.
The researchers conducted 2 population-based case-control studies in Sweden, which included 7,520 relapsing MS cases, 540 progressive MS cases, and 11386 controls matched by age, sex, and area of residence.
Researchers found that all environmental and life>Smoking, obesity, and Epstein-Barr virus nuclear antigen 1 (EBNA-1) antibody levels are associated with an increased risk of two phenotypes of MS, while smoking, drinking, and sun exposure are associated with a reduced risk.
It can be seen that the same environmental and life> .
The same environmental and life>
Original source:
Original source:Anna Karin Hedström.
bmj.
com/content/early/2021/05/13/jnnp-2020-325688-0" target="_blank" rel="noopener">Factors affecting the risk of relapsing-onset and progressive-onset multiple sclerosis
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