Red and Near-Infrared Light A Must-Have Therapy. Do you lose hair? Sped up aging? Is there a problem with weight loss? Nervous system disease? Depression and/or anxiety? Autoimmune disease? Delay treatment? Reduced joint function or pain? Energy shortage? Is there a problem with the thyroid gland? Can’t sleep well? You may have one or more of the conditions listed in this article. I can almost guarantee it. This article describes an effective therapy that has beneficial effects on all the above, called red and near-infrared light therapy.