Abstract:Background: Multiple sclerosis risk has been shown to have seasonal variations that are more pronounced in higher latitudes. However, this phenomenon has not been adequately studied near the Equator. Objective: To explore the risk of multiple sclerosis associated with month, season of birth, and sunlight exposure variables in Colombia. Methods: In this case–control study, 668 multiple sclerosis cases were matched to 2672 controls by sex and age. Association of multiple sclerosis with each month/season of birth… Show more
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