05-04-2020, 06:45 PM
Vitamin D studies have been all over the map. About 5 - 10 years ago, it was fashionable to link vitamin D deficiency to all sorts of conditions (one of which was asthma, which I was studying). My sense is that most of the vitamin D supplementation studies wound up being negative, though I'll admit that I'm not as up on the literature as I once was. But I will start out being a bit skeptical. Then again, vitamin D supplementation is cheap and safe.
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