Share this postIs Vitamin-D deficiency overdiagnosed?greerjournal.substack.comCopy linkFacebookEmailNoteOtherIs Vitamin-D deficiency overdiagnosed?COVID therapy has raised awareness of Vitamin D. Is that a good thing? Mar 15, 2023Share this postIs Vitamin-D deficiency overdiagnosed?greerjournal.substack.comCopy linkFacebookEmailNoteOtherShareClick here foe the story