Breeyana Borum Light Therapy & Tratak Light Therapy & Tratak The diffusion of light could help to cure "seasonal" depressions, but also "classic" forms of depression. In 1903 the Dane Niels Ryberg Finsen was awarded the Nobel Prize in Med... 2020 IFSU Light Therapy Meditation Techniques Tratak 8 May 2020 0 1313