3 ms·
What you propose is rather similar to suggesting that we drink bleach. Yes UV kills bacteria, it also kills mammalian cells.
by Angostura 9y ago
What you propose is rather similar to suggesting that we drink bleach. Yes UV kills bacteria, it also kills mammalian cells.
- manmal 9y agoBlue light is not UV. Yes, shining strong UV-B light on tissue causes DNA damage. I’m talking about the visible blue part of light spectrum. Eg 470nm: https://www.ncbi.nlm.nih.gov/m/pubmed/23009190/ https://www.ncbi.nlm.nih.gov/m/pubmed/23009190/