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A comment on The Impact of Vitamin D Level on Covid-19: Systematic Review Meta-Analysis.

Re:The Impact of Vitamin D Level on Covid-19: Systematic Rev... by MrQuincle on Friday November 26, 2021 @02:10PM (#29353065)
Of course the scientist control for seasons. Levels of vitamin D of course are related to sunshine. There's also correlation with obesity, etc. etc.

Very difficult to find out if then actually taking vitamin D as a supplement would do something valuable.

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Re:The Impact of Vitamin D Level on Covid-19: Systematic Rev... by bronto on Friday November 26, 2021 @07:18PM (#29355772)
It's not difficult to discover this. Look at basic research with autoimmune patients. It's already well known.
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