What is light therapy?

Published On: Nov 18 2013 05:18:49 PM EST
Updated On: Dec 04 2013 03:27:12 PM EST
Depression

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By Mayo Clinic News Network

Light therapy is a way to treat seasonal affective disorder (SAD) by exposure to artificial light. Seasonal affective disorder is a type of depression that occurs at a certain time each year, usually in the fall or winter.

During light therapy, you sit or work near a device called a light therapy box. The box gives off bright light that mimics natural outdoor light.

Light therapy is thought to affect brain chemicals linked to mood, easing SAD symptoms. Using a light therapy box may also help with other types of depression, sleep disorders and other conditions. Light therapy is also known as bright light therapy or phototherapy.

Source: http://www.mayoclinic.com/health/light-therapy/MY00195/

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