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Parkinson’s patients 50X less likely to get even a little sun– meta-analysis Jan 2019

The Association Between Vitamin D Status, Vitamin D Supplementation, Sunlight Exposure, and Parkinson’s Disease: A Systematic Review and Meta-Analysis

Med Sci Monit 2019; 25:666-674, DOI: 10.12659/MSM.912840
Zonglei Zhou, Ruzhen Zhou, Zengqiao Zhang, Kunpeng Li
Department of Epidemiology and Biostatistics, Sichuan University West China School of Public Health, Chengdu, Sichuan, China (mainland)

VitaminDWiki

Also, this study found that Parkinson’s 2.6X more likely if < 20 ng/mL
Note: Multiple Sclerosis is another disease for which UV appears to be better than Vitamin D


Multiple Sclerosis

All studies in both Mutliple Sclerosis and UV are listed here:

Overview Parkinsons and Vitamin D contains the following summary

Parkinson's Disease proven to be TREATED by Vitamin D (Many Meta-analyses of trials)

Items in both categories Noontime sun and Cognition are listed here:

Items in both categories Noontime sun and Parkinson's are listed here:

 Download the PDF from VitaminDWiki
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BACKGROUND: This literature review and meta-analysis aimed to determine the association between deficiency of vitamin D, or 25-hydroxyvitamin D, and Parkinson’s disease, and whether vitamin D from supplements and sunlight improves the symptoms of Parkinson’s disease.

MATERIAL AND METHODS: A literature review and meta-analysis were performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. Systematic literature review was performed using databases that included the Web of Science, PubMed, the Cochrane Library, and Embase. The Jadad scale (the Oxford quality scoring system) and the Newcastle-Ottawa scale (NOS) were used to evaluate the quality of the studies.

RESULTS: Eight studies were included in the meta-analysis. Both 25-hydroxyvitamin D insufficiency (<30 ng/mL) (OR, 1.77; 95% CI, 1.29–2.43; P<0.001) and deficiency (<20 ng/mL) (OR, 2.55; 95% CI, 1.98–3.27; P<0.001) were significantly associated with an increased risk of Parkinson’s disease when compared with normal controls

Sunlight exposure (>15 min/week) was significantly associated with a reduced risk of Parkinson’s disease (OR, 0.02; 95% CI, 0.00–0.10; P<0.001).
The use of vitamin D supplements was effective in increasing 25-hydroxyvitamin D levels (SMD, 1.79; 95% CI, 1.40–2.18; P<0.001), but had no significant effect on motor function (MD, –1.82; 95% CI, –5.10–1.45; P=0.275) in patients with Parkinson’s disease.

CONCLUSIONS: Insufficiency and deficiency of 25-hydroxyvitamin D and reduced exposure to sunlight were significantly associated with an increased risk of Parkinson’s disease. However, vitamin D supplements resulted in no significant benefits in improving motor function for patients with Parkinson’s disease.

Sunshine references

  • 31] Sato Y, Honda Y, Iwamoto J et al: Abnormal bone and calcium metabolism in immobilized Parkinson's disease patients. Mov Disord, 2005; 20: 1598-603
  • 42] Abou-Raya S, Helmii M, Abou-Raya A: Bone and mineral metabolism in older adults with Parkinson's disease. Age Ageing, 2009; 38: 675-80
  • 43] Sato Y, Kikuyama M, Oizumi K: High prevalence of vitamin D deficiency and reduced bone mass in Parkinson's disease. Neurology, 1997; 49: 1273-78



Created by admin. Last Modification: Thursday May 2, 2019 16:52:39 GMT-0000 by admin. (Version 10)

Attached files

ID Name Comment Uploaded Size Downloads
11295 Park sun.jpg admin 29 Jan, 2019 21:04 145.21 Kb 78
11251 Park and Sun.jpg admin 23 Jan, 2019 16:15 27.22 Kb 91
11250 Parkinson's meta-analysis.pdf PDF 2019 admin 23 Jan, 2019 16:15 1.20 Mb 45
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