I don't believe this for one second. Blue lights are healthy for the eye, has been studied a lot.
There is some research from Japan which I read more than a decade ago (haven't been able to find since). While it was specifically on color blindness, I wonder if it's related. The research confirms that rod/cone ratios isn't the sole source of color blindness. In fact a large minority of color blind people have normal rod/cone ratios but suffer from a brain/nerve affliction which prevents full processing of the color spectrum. In other words, eyes work correctly but the brain refuses to process all available information. Accordingly, light and electric stimulus therapy results in full color vision restoration. But only so long as the therapy is maintained. It falls off after 4-6 weeks without it.
This makes me wonder if the improvement is related.
"Recent advances in adapting PBM to stem cell therapy showed that stem cells and progenitor cells respond favorably to light. PBM stimulates different types of stem cells to enhance their migration, proliferation, and differentiation in vitro and in vivo."
""Photobiomodulation (PBM) is a non-thermal and non-invasive stimulating process to target using wavelengths from the red to near-infrared light spectrum (600 to 1000 nm)"
Red light is about 620-750nm.
https://www.jkslms.or.kr/journal/view.html?uid=206&vmd=Full&
stem cell therapygenetic editing*
The two aren't synonymous in this instance. Photobiomodulation (IR therapy from low red into near infrared) appears to jump start stem cell regeneration for both in vitro and invivo.
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