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Center for Environmental Therapeutics
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How can I tell if the diffusion filter on a particular commercial apparatus is...

Miscellaneous

Has the amount and timing of melatonin supplements been established for treating SAD?

Seasonal Affective Disorder

For all of my adult life (I’m 40), my sleep/wake schedule has been very...

Sleep

Somehow, I feel like it is always winter. I have never been able to...

Miscellaneous

If a SAD person sleeps with the bedroom window covered to block night street...

Seasonal Affective Disorder

I have a problem with chronic insomnia. I tire later and later each night,...

Ask Our Experts

If one is sensitive to some fluorescent light — for example, I get migraines...

Seasonal Affective Disorder

Can you tell me if sunbeds help in treatment of seasonal affective disorder?

Seasonal Affective Disorder

Why do I always wake up at 4 a.m. no matter when I have...

Sleep

I’m interested in trying negative air ionization therapy while I sleep, for depression which...

Negative Air Ions
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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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