http://news.softpedia.com/news/Light-Therapy-Will-Cure-Nerve-Damage-98060.shtml
<p>Tiny emitters near the spinal cord will release flashes of light</p> <p>Damaged nerves mean that the flow of electricity coming or going to or from the brain no longer reaches its destination. This can happen during an accident, or it can be an inherited disability. Either way, the quality of life for people …</p>