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Bryan L's avatar

Since I'm not completely innumerate, like so many Americans, I haven't been scared of Covid from the beginning when the age stratification first became obvious -- I may be in my mid-50s but I'm in good health with no chronic conditions.

However, I remember hearing something about Vitamin D back in summer 2020 and, because I live in Seattle, since then I've been supplementing with 5000 IU/day and my blood level is up to 60 ng/ml, well above the highest level seen in anyone hospitalized. So now I'm even less scared.

Why the likely, now confirmed, benefits of Vitamin D weren't trumpeted to the heavens in 2020 I'll never understand.

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YYR's avatar

Dr Ryan Cole gave a whole lecture about vitamin D and sunlight, very interesting info. One open question is whether D is itself the active health booster, or if D is the proxy by which other sunlight benefits are measured. Studying supplementers vs sunlighters would be useful.

Also, skin tone matters, and fair people needed to be fair at the higher latitudes to absorb enough sunlight, while darker skinned people living closer to the equatorial latitudes did not need also much. Now that we moved around, mixed up, and moved inside, darker people, especially, have trouble getting enough D. It's not racism, it's science.

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