CHROMOTHERAPY ( Includes Far-Infrared Sauna & Halotherapy )... The power of light, the lifeblood of cellular regeneration. Like a world-class spa for your cells, light therapy takes longevity to a new level. We know about the health detriments that stem from a Vitamin D deficiency, the inescapable problem for all northern-latitude dwellers. Other vital chemical processes require light energy. From stress response, brain health, sleep patterns, mood setting, and biorhythms, to hormone function, immune-system function, and endorphins — there are NUMEROUS body systems negatively affected by light deprivation.