Guiding Light | Electric Light Orchestra | light rail | Edmonton Light Rail Transit | light curve | Physical therapy | Light-emitting diode | light novel | Charge of the Light Brigade | William Light | light | incandescent light bulb | Light | Florida Power & Light | Reichian therapy | Baltimore Light Rail | traffic light | Therapy? | Radiation therapy | Light Up the Sky | Figures of Light | Durham Light Infantry | Docklands Light Railway | Divine Light Mission | Black Light Burns | Australian Light Horse | Angels of Light | American Art Therapy Association | Visionaries: Knights of the Magical Light | therapy |
In 1984, Norman E. Rosenthal, a psychiatrist and NIMH researcher, pioneered seasonal affective disorder, coined the term SAD, and began studying the use of light therapy as a treatment.