There's a mostly-unsubstantiated-by-data belief that LED lighting can cause health problems by some combination of flickering and narrow color spectrum.

I guess you know better than the scientist studying it: https://www.sciencedirect.com/science/article/pii/S004896972...

There's a mostly-unsubstantiated-by-data belief that LED lighting can NOT cause health problems by some combination of flickering and narrow color spectrum.