Has anyone tried this? I've just learned about this a a promising treatment for neurodegenerative Disease. There are studies showing efficacy with Alzheimer's.
ncbi.nlm.nih.gov/pmc/articl...
Here's an example of a device with some clinical studies behind it:
vielight.com/clinical-studies/
PS I don't work for them and have no affiliation, don't currently own a device but my mom has been diagnosed with PSP and looking into treatments.