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Low Vitamin D if little UVB, supplementation helps (Antarctica) – meta-analysis Dec 2021

Vitamin D status and supplementation in Antarctica: a systematic review and meta- analysis

Int J Circumpolar Health 2021 Dec;80(1):1926133. doi: 10.1080/22423982.2021.1926133 Carolina CabalínORCID Icon,Carolina IturriagaORCID Icon,Guillermo Pérez-MatelunaORCID Icon,Denise EcheverríaORCID Icon,Carlos A. Camargo JrORCID Icon &Arturo BorzutzkyORCID Icon
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VitaminDWiki

High Risk category listing contains the following__

55 items in High Risk Category (below)

Those at high-risk of being Vitamin D deficient will require about 1.5X more vitamin D to restore their levels
Those who are at risk due to being obese need about 2X more vitamin D to restore their levels

see also
  Overview Dark Skin
  Overview Seniors
  Overview Obesity
  Overview Pregnancy
  Overview Deficiency
   Shut-in category which has 35 items
   Middle East category which has 138 items

19 VitaminDWiki pages had CLOTH in the title as of Aug 2021


The 20 most recently changed items in Shut-in Category

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12886 One group of coal miners had surprising high Vitamin D levels in Sept (suspect low-cost UVB) – Sept 2021 115
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12582 Low Vitamin D if little UVB, supplementation helps (Antarctica) – meta-analysis Dec 2021 591
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6917 The only supplement NASA gives crews is vitamin D - Sept 2015 3855
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12301 RDA of Vitamins and minerals reduced incarceration by 2,993 dollars per prisoner – RCT Jan 2021 501
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8973 NASA might save 700,000 dollars a day by giving astronauts enough Vitamin D 2485
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4564 Recommended increasing vitamin D for space flight – NASA Sept 2013 7655
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2019 "Sunlight Officers" in some Australian senior facilities - Sept 2011 3644
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11821 Nursing homes could reduce risk of COVID-19 with Vitamin D – June 30, 2020 2163
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8528 People who get little noon-day sun must supplement with Vitamin D – systematic review June 2017 18058
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4857 Submariners vitamin D levels continued to drop while on patrol (no surprise) – Dec 2013 3380
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11201 Simulated Mars trip ran low on vitamin D (no supplements, no UV) – Sept 2019 1447
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2290 1700 IU vitamin D (50000 monthly) helped antarctic explorers – RCT Jan 2012 7393
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9214 Spinal Cord Injury wheelchair athletes helped by 12 weeks of Vitamin D – Sept 2016 3236
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4034 Pressure Ulcers (bed sores) 1.87 more likely if vitamin D less than 25 ng – 2011 4884
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9638 Radiologists are 1.7 X more likely to have low vitamin D (probably indoors too much) – Feb 2018 1997
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5141 Black prisoners have lower vitamin D than whites in maximum security – March 2014 2629
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2810 Children with limited mobility are at high risk of being vitamin D deficient – June 2012 2771
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 Download the PDF from VitaminDWiki

Living at high latitudes is associated with vitamin D (VD) deficiency. An ideal setting to study this is the Antarctic continent, which has temporary inhabitants, but the magnitude of the effect of living in Antarctica and the effects of VD supplementation on this population remain unclear. We performed a systematic review and meta-analysis to assess the effect of temporary residence in Antarctica and impact of VD supplementation on VD status of this population. Random‐effects meta‐analyses were performed to assess serum 25-hydroxyvitamin D (25(OH)D) concentration changes after Antarctic residence (13 studies, 294 subjects) and after VD supplementation (5 studies, 213 subjects). Serum 25(OH)D mean difference after temporary residence in Antarctica was -15.0 nmol/L (95%CI: -25.9, -4.2; I²=92%). Subgroup meta-analyses of studies evaluating Antarctic summer and winter stays showed 25(OH)D only decreases when overwintering (winter 25(OH)D change -17.0 nmol/L [95%CI: -24.1, -9.8; I²=83%] vs. summer 25(OH)D change 1.3 nmol/L [95%CI: -14.6, 17.1; I²=86%]). The meta-analysis of VD supplementation studies in Antarctica showed a mean 25(OH)D increase after supplementation of 10.8 nmol/L (95%CI: 3.3, 18.3; I²=88%). In conclusion, VD status significantly worsens after inhabiting Antarctica, particularly when over-wintering. VD supplementation can prevent worsening of VD status and should be considered in this population.


Created by admin. Last Modification: Thursday May 13, 2021 22:03:23 GMT-0000 by admin. (Version 4)

Attached files

ID Name Comment Uploaded Size Downloads
15584 Antartica intervention.jpg admin 13 May, 2021 21:54 22.71 Kb 122
15583 Antarctica meta_compressed.pdf PDF 2021 admin 13 May, 2021 21:53 963.16 Kb 44
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