The science is now definitive: Red light and laser therapy is effective in treating cell dysfuction, which is the root of most of out illness. We in Canada are chronically under lit, and though Vitamin D supplementation helps stave off the worst of those deficiencies, it does little to compensate for the lack of photonic energy that strikes our skin. Even in Summer we wear sunscreen which blocks the healthy light. This is a treatment everyone needs, but just may be the solution someone you love has been searching their lives for.