Red Light Therapy? ​

The kind I bought. https://joovv.com/blogs/joovv-blog/does-red-light-therapy-really-work Best book on Red light therapy. https://www.amazon.com/Ultimate-Guide-Light-Therapy-Near-Infrared-ebook/dp/B07FJNZ821/ref=sr_1_2?crid=2XVE4OMVSVKQL&dchild=1&keywords=red+light+book&qid=1593349271&sprefix=redlight+book%2Caps%2C356&sr=8-2