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Center for Environmental Therapeutics
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I’m in the midst of a chronobiologic Catch-22: I need to wake up earlier...

Sleep

I take a low dose birth control pill and have been advised to stay...

Light Box

I am confused. A recent q&a item said that color temperature and spectral output...

Light Box

I have decided to stop using the light and have not used it for...

Light Therapy

The morningness-eveningness questionnaire (AutoMEQ) indicated my melatonin onset as 9:45 p.m. and my ideal...

Light Therapy

Would light therapy be effective for a person who is totally blind? Some people...

Light Therapy

My goals are to regularize my sleep-wake cycle and treat some mild but persistent...

Sleep

In the interest of saving money, what about making a light box with a...

Light Box

In the question on “the mechanism of action of the agitation side effect,” one...

Light Box

I bought CET’s recommended light box in early November and can’t even begin to...

Light Therapy
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Center for Environmental Therapeutics

Contact us at info@cet.org

Founded in 1994, CET is an independent, non-profit professional organization dedicated to education and research on new environmental therapies.

We offer a variety of services, including background information, self-assessment questionnaires, and environmental therapy products.

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