Phototherapy: Let There Be Light!
Whether Johann Wolfgang v. Goethe actually demanded “Mer light!” on his deathbed remains unclear. What is clear, however, is that natural light is indispensable for our daily lives. It determines our biorhythm and ensures, among other things, that vitamin D is formed via irradiation on the skin. What’s more, sunlight and artificial light are also … Phototherapy: Let There Be Light!