Reply To: What is PBM and how does it affect my general health? Home › Forums › Red Light Therapy › What is PBM and how does it affect my general health? › Reply To: What is PBM and how does it affect my general health? November 2, 2020 at 3:33 pm #1200 marjorie1969Participant rafraf Thanks for sharing that. I see, it is also considered as low-level light.