News Holidays in the Sun May Be Key to Tackling Vitamin D Deficiencies, Scottish Study Shows Holidays in the Sun May Be Key to Tackling Vitamin D Deficiencies, Scottish Study Shows by Patricia Silva, PhD | May 20, 2016 Share this article: Share article via email Copy article link Holidays abroad may hold the key to tackling Scotlandās vitamin D deficiency, a University of Edinburgh study suggests. The study, āFarming, Foreign Holidays, and Vitamin D in Orkney,ā was published in the journal PloS One. Multiple sclerosis (MS) is a chronic, complex disease with genetic factors strongly implicated in its etiology ā as areĀ environmental and behavioral ones, includingĀ vitamin D deficiency,Ā Ā a marker of low UV exposure. Orkney, an archipelago off Scotland’s northeastern coast, Ā has the worldās highest prevalence of MS, althoughĀ the disease is alsoĀ quite commonĀ on the mainland. To determine vitamin D status in Orkney, researchers obtainedĀ mean vitamin D levels and deficiency prevalence from data on about 2,000Ā participants inĀ the Orkney Complex Disease Study (ORCADES) and compared itĀ withĀ controls from the Scottish Colorectal Cancer Study (SOCCS). Vitamin D status was determined by measuring circulating 25(OH)D, a primeĀ indicator of vitamin D levels. ResearchersĀ were surprised to find that the average vitamin D levels were higher in Orkney than on mainland Scotland.Ā The highest levels were among farmers (vitamin D is produced in the skin through sun exposure), and people over age 60 who regularly went onĀ vacation to other countries. āIt was surprising to see that levels of vitamin D were not worse in Orkney, and if anything they were better than in Mainland Scotland. It would appear that poor vitamin D status, while common enough, cannot explain the excess of Multiple Sclerosis we see in Orkney,ā said Dr. James Wilson, aĀ study lead author and a senior lecturer in Population and Disease Genetics, in aĀ news release. āIt was interesting to find that the traditional occupation of farming was associated with higher levels of blood vitamin D in Orkney. This may be because farmers are outside and utilising even the smallest window of vitamin-D strength sunshine,ā saidĀ Emily Weiss, a PhD student at the universityĀ who was involved in the study.Ā āWe also found that farmers in our Orkney cohort tended to be older, suggesting that the traditional way of life is changing, leaving younger people potentially more exposed to MS risk factors such as vitamin D deficiency.ā Print This Page About the Author Patricia Silva, PhD PatrĆcia holds a PhD in medical microbiology and infectious diseases from the Leiden University Medical Center, Netherlands, and completed a postdoctoral research fellowship at the Instituto de Medicina Molecular, Lisbon, Portugal. Her work in academia was mainly focused on molecular biology and the genetic traits of infectious agents such as viruses and parasites. PatrĆcia earned several travel awards to present her work at international scientific meetings. She is a published author of several peer-reviewed science articles. Tags holidays, Scotland, vitamin D
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