Vitamins – SkepDoc

Does Vitamin D Prevent Autoimmune Disease?

Oct 11, 2022Harriet A. Hall, MDClinical trials, Herbs and supplements, Science-based Medicine Blog, Vitaminsautoimmune disease, BMJ, fish oil, vitamin D

A new study published in The BMJ suggests vitamin D might prevent autoimmune disease, but there are reasons to be cautious. Up to 75% of American teens and adults are said to be deficient in vitamin D, but there is no agreement on what level constitutes deficiency. Claims for the health benefits of vitamin D supplements abound,

Misconceptions about Vitamins

In 1747, one of the first controlled clinical trials in the history of medical science involved vitamin C, but the researcher had no idea what a vitamin was: vitamin C wasn’t discovered until 1912. Scurvy, a disease caused by vitamin C deficiency, was rampant in the British Royal Navy, disabling and killing more sailors than