Dark to LIGHT
Another well known and commonly used LIGHT treatment is Far Infrared
FAR Out - especially the saunas
Sauce: Far infrared radiation (FIR): its biological effects and medical applications
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3699878/
Moar sauce…a lot moar: https://infraredsauna.com/infrared-sauna-medical-studies/
Potential Cure For Corona Virus Via Infrared Heat?
https://infraredforhealth.com/potential-cure-for-corona-virus-via-infrared-heat/
Infrared Sauna kills bacteria, fungi, parasites and viruses
https://www.coloncleansetoronto.ca/blog/general-category/infrared-sauna-kills-bacteria-fungi-parasites-and-viruses/
Lots of articles touting how this can help with viruses too - just a lot of marketing crap to filter through.