You will have come across the various names for the use of red and near infrared lights. Michael Hamblin, one of the lead researchers in the area, has summarised the terminology changes beautifully in a recent article called (somewhat dauntingly) Mechanisms and Mitochondrial Redox Signalling in Photobiomodulation. Click here to read the full article.
Low Level Laser Therapy (LLLT)
Almost 50 years ago in Hungary, Endre Mester found by accident, that a low power red laser noticeably improved wound healing.
It was initially thought that light delivered by a laser was the key factor in the wound healing, and so the term Low Level Laser Therapy, abbreviated to LLLT, was developed.
If you put “LLLT” in your favourite search engine, you’ll find a lot of references will pop up.
Red lights on the brain 