![]() ![]() Serotonin is the precursor for melatonin, the hormone that regulates sleep, and serotonin also plays a key role in mood. Light therapy is considered a well-known method for treating various mental health issues, including:ĭuring a light therapy session, your eyes’ retinal cells will receive the light from the light therapy box, which affects the levels of both melatonin and serotonin in your brain. Light boxes with this intensity can be used for just 20 to 40 minutes per session, but boxes with weaker light will need to be used for longer. To put that into perspective, this is about 100 times4 brighter than normal indoor lighting, and a bright, sunny day is about 50,000 lux or more. ![]() The light boxes should have a light intensity of about 10,000 lux to be effective, and they are designed to mimic natural sunlight but without the harmful UV rays. Patients will sit in front of this light for a set amount of time at various times throughout the day. These days, though, we have advanced technologically well beyond just lying in the sun, and light therapy is generally done with a special light box or visor. At that time, they practiced various forms of heliotherapy (“sun therapy”) in which patients had their whole body exposed to the sun to treat various mental and physical ailments.Ĭut to several millennia later, and light therapy is still being used to treat various mental and physical ailments including: Light therapy’s beginnings can be traced back to ancient Egypt, India, and Greece. ![]()
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