3 ms·

I don't doubt that skin cancer happens. I doubt that vitamin D supplementation is delivering all the benefits that sunshine does.

• ryder9 6y ago
  and you're basing this on....
  • snikeris 6y ago
    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5593895/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5593895/