‘Light Is My New Drug’ The science of light therapy (2020)
thecut.com
thecut.com
Yes, you saw correctly. Lights you put into your ears and they affect your brain. Transcranial bright light should do something to you.
The hypothesis is interesting and there is tiny amount of 'scientific research behind it', but just barely. The scientists involved were also founders in the company and the quality is not high but I think most of them believe it.
Given, it doesn't really heal the disease, but I believe people suffering from skin lesions will take anything to lessen the symptoms. While not deadly, it is a significant penalty to life quality.
As for light beyond the uv spectrum which the article focuses on I don't know of any effects. Infrared light heats you up of course, but I am skeptical about the rest of the visible spectrum.
UV-light ages your skin, that is why dermatologists try to restrict application of UV-light to patients after they received a certain dosage. I heavily doubt any form of light exposure can actually reduce aging effects.
> I’m not sure if it’s “working,” but I’m also not sure that it isn’t.
(I learnt about him from "Banvard's Folly" by Paul Collins, a book I highly recommend if you can find it.)