light therapy

noun Medicine/Medical.
therapeutic exposure to full-spectrum artificial light that simulates sunlight, used to treat various conditions, as seasonal affective disorder.
Also called phototherapy.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Follow your doctor's instructions about how to use light therapy.
However light therapy supposedly does have some ground except only at certain wavelengths.
Ultraviolet-B light therapy given before and after allogeneic stem cell transplantation may help prevent this from happening.
Bright light therapy has also been shown to improve mood in people with depression.
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