Vitamin D deficiency and disease risk among aboriginal Arctic populations

Sangita Sharma, Alison B Barr, Helen M Macdonald, Tony Sheehy, Rachel Novotny, Andre Corriveau, Helen Margaret Macdonald

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Aboriginal populations living above the Arctic Circle are at particularly high risk of vitamin D deficiency due to limited ultraviolet B exposure (related to geographic latitude) and inadequate dietary intake (recently related to decreased traditional food consumption). Major changes in diet and lifestyle over the past 50 years in these populations have coincided with increased prevalence rates of rickets, cancer, diabetes, and obesity, each of which may be associated with vitamin D inadequacy. This review examines the risk factors for vitamin D inadequacy, the associations between vitamin D and disease risk at high geographic latitudes, and the recommendations for improving vitamin D status particularly among aboriginal Arctic populations. Traditional foods, such as fatty fish and marine mammals, are rich sources of vitamin D and should continue to be promoted to improve dietary vitamin D intake. Supplementation protocols may also be necessary to ensure adequate vitamin D status in the Arctic.
Original languageEnglish
Pages (from-to)468-478
Number of pages11
JournalNutrition Research Reviews
Volume69
Issue number8
DOIs
Publication statusPublished - Aug 2011

Keywords

  • American Native Continental Ancestry Group
  • Arctic Regions
  • Bone Diseases
  • Diabetes Mellitus
  • Diet
  • Energy Intake
  • Ethnic Groups
  • Humans
  • Neoplasms
  • Prevalence
  • Risk Factors
  • Sunlight
  • Vitamin D
  • Vitamin D Deficiency
  • Vitamins

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