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Vitamin D levels have been crashing since 1995 (Polish Children, Elite Military, etc)

Front. Endocrinol., 08 November 2018 | https://doi.org/10.3389/fendo.2018.00656
Marek Wójcik, Maciej Jaworski and Pawel Pludowski*
Department of Biochemistry, Radioimmunology and Experimental Medicine, The Children's Memorial Health Institute, Warsaw, Poland


Vitamin D levels are dropping rapidly – what you need to do

Vitamin D levels have been crashing

Drop in Vitamin D levels VDW#10189


Incidence of 22 health problems related to vitamin D have doubled in a decade

  • but frogs are not noticing the increasing problem
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 Download the PDF from VitaminDWiki

Polish Children ( age 8 months)

Note: Only a single data point for 1981-1999 - unable to see trends during it.

Introduction: The numerous evidence showing spectrum of vitamin D effects on human health resulted in both updates of vitamin D supplementation guidelines for general population and concerns on potential risk of hypercalcaemia. The aim of this study was to analyse trends in serum 25-hydroxyvitamin D concentration (25(OH)D) change over the 30 years of operation of a single pediatric diagnostic unit.

Materials and methods: Calcium-phosphate metabolism markers and 25(OH)D concentrations were analyzed in a group that consisted of newborns and infants commissioned for diagnostics due to suspected calcium-phosphate metabolic disturbances (n = 3,163; mean age 8.0 ± 3.0 months).

Results: 25(OH)D < 10 ng/ml was noted in 4.5% of patients (n = 163), 10–20 ng/ml in 14.7% (n = 465), 20–30 ng/ml in 23.9% (n = 756) and 30–50 ng/ml in 35.9% (n = 1,136). The mean 25(OH)D concentration in analyzed group was 37.5 ± 24.5 ng/ml. In patients with 25(OH)D concentration < 10 ng/ml a normal calcaemia (2.25–2.65 mmol/l) was noted in 83.4% cases (n = 136). Eighty one patients had 25(OH)D concentrations above 100 ng/ml with co-existing calcaemia in range of 2.6–4.38 mmol/l (mean Ca = 2.69 mmol/l). Hypocalcaemia (Ca < 2.25 mmol/l) was observed in 0.54%, (n = 17). 13.8% patients revealed calcium levels >2.65 mmol/l (n = 435). In general, the mean calcium-phosphate markers values were within the reference range for age. The highest mean 25(OH)D concentration of 51.8 ng/ml ± 38.8 was noted in years 1981–1999 (n = 305). The lowest mean 25(OH)D value was observed in years 2010–2011 (29.0 ng/ml ± 13.6; n = 412). The trend of decreasing 25(OH)D concentration during analyzed time period was significant (r = −0.29, p < 0.0001).

Conclusions: Eighty percent of children aged 0–36 months had 25(OH)D concentration >20 ng/ml, however, during 3 decades a mean 25(OH)D concentrations trended significantly to decrease. A direct relationship between low 25(OH)D concentration and hypocalcaemia was not observed nor between high 25(OH)D concentration and hypercalcemia.

Chart of Vitamin D levels vs race - April 2013 has the following

Vitamin D vs Race at is.gd/vitD_race

short url= is.gd/D_Drop

Created by admin. Last Modification: Sunday May 17, 2020 20:37:54 GMT-0000 by admin. (Version 38)

Attached files

ID Name Comment Uploaded Size Downloads
10815 Polish table.jpg admin 09 Nov, 2018 02:25 21.33 Kb 390
10814 Polish + Military.jpg admin 09 Nov, 2018 02:22 22.29 Kb 4277
10812 Polish Children.jpg admin 09 Nov, 2018 02:13 16.54 Kb 356
10811 Polish Children.pdf PDF 2018 admin 09 Nov, 2018 02:08 680.43 Kb 280
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