High Sun Exposure may lower the risk of multiple sclerosis (MS) , according to a study published online March 7 in Neurology .
Helen Tremlett, Ph.D., from the University of British Columbia in Vancouver, Canada, and colleagues analyzed data from 151 patients with MS and 235 age-matched controls participating in the Nurses’ Health Study. The authors sought to assess the relationship between sun exposure and MS.
The researchers found that living in high ultraviolet (UV)-B areas vs low areas before MS onset was associated with a 45% lower MS risk (adjusted relative risk [RR], 0.55). For medium or high sun exposure, similar reduced risks (51 to 52%) were seen at ages 5 to 15 years and at 5 to 15 years before MS onset (adjusted P
“Living in high ambient UV-B areas during childhood and the years leading up to MS onset was associated with a lower MS risk,” the authors write.
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