alt Hacker NewsSadly, many people in northern areas who are otherwise healthy are vitamin D deficient. It can be a side effect of trying to protect from skin cancer.
Sadly, many people in northern areas who are otherwise healthy are vitamin D deficient. It can be a side effect of trying to protect from skin cancer.
I am not arguing against that. I argue that correcting this deficiency is not in the competence of people who are not medical professionals no matter how many articles they've read on the front page of HN about vit. D.