This Therapy For Light has several well-proven uses in medicine. Ultraviolet light is frequently used in the treatment of psoriasis.
Natural light is a potential remedy for jaundice in newborns.
The list of ailments that light will NOT cure is, unfortunately, much longer. There is also little reason to believe that light will reduce stress, cure jet lag, relieve insomnia, improve fertility, speed healing, boost immunity, reduce cholesterol levels, increase the amount of oxygen in the blood, or stimulate the thyroid gland. Most people take the treatments at home, although some receive therapy in an office or clinic. To receive any benefit from this therapy, you must keep your eyes open during the entire session For home treatments, you'll probably be advised to buy a light box. Most of these devices measure approximately 2 feet by 2 feet and enclose a full-spectrum or bright white light that is angled toward your face.