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A comment on UV B LEDs More Effective in Producing Vitamin D3 in Human Skin (2017). Parent comment

Re:UV B LEDs More Effective in Producing Vitamin D3 in Human... by prichino on Wednesday October 28, 2020 @07:57PM (#24925565)
That's something I've noticed but I think it is the chlorine mostly. Better swim at sea (if possible...)
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