Health studies about vitamin D and autoimmune disease by category:

The Effect of Vitamin D Supplementation on Inflammatory and Hemostatic Markers and Disease Activity in Patients with Systemic Lupus Erythematosus: A Randomized Placebo-Controlled Trial (2013)

Conclusion: This randomized placebo-controlled trial took 267 lupus patients and had them take either 2000 IU of vitamin D3 daily for a year or had them take a placebo for a year. After a year of vitamin D supplementation the treatment group exhibited significantly improved inflammatory markers and disease activity compared to the placebo group.What would happen if they took more than 2,000 IU daily? Other findings were that the lupus patients had a lower average vitamin D level than a control group, 69% of them had low levels, and 39% were clinically deficient.

 

Month of Birth, Vitamin D and Risk of Immune-Mediated Disease: A Case Control Study (2012)

Conclusion: This UK study found that those with autoimmune diseases are disproportionately born more in April (when population vitamin D levels are typically lowest) and less in October (after summer when people’s vitamin D levels are highest).

 

Does Vitamin D Affect Risk of Developing Autoimmune Disease?: A Systematic Review (2012)

Conclusion: This study looked into 76 other studies investigating the association between vitamin D and a variety of autoimmune diseases. This particular investigation of the 76 studies led the researchers to conclude that: “cross-sectional data point to a potential role of vitamin D in autoimmune disease prevention.” Another finding is that autoimmune diagnoses are on the rise in the America, which correlates with the recorded declining vitamin D levels of the American population, and the rise and persistence of the anti-sun and skin cancer scare propaganda of the cosmeceutical-dermatology-industrial-complex.

 

Vitamin D Supplementation and Regulatory T Cells in Apparently Healthy Subjects: Vitamin D Treatment for Autoimmune Diseases? (2010)

Conclusion: 46 healthy men and women were given 140,000 IU of vitamin D once a month for two months. Besides the average vitamin D level increasing from 24 ng/ml to an optimal 58 ng/ml at the end of the trial, the participants also experience a significant increase in their immune system’s regulatory T cells, demonstrating that vitamin D plays a critical role in proper functioning of the human immune system and helps protect against autoimmune disorders.

 

Ultraviolet Radiation and Autoimmune Disease: Insights from Epidemiological Research (2002)

Note: Short, but dense, overview of epidemiological research investigating the associations of vitamin D ultraviolet light with multiple sclerosis, type 1 diabetes, and arthritis. Basically, people who live farther away from the equator have a higher risk for developing these autoimmune disorders.

 

Arthritis

Inflammatory Bowel Disease

Multiple Sclerosis

Psoriasis

Type-1 Diabetes

 

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