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I notice an antidepressant effect if I use my light box in the early...

Featured

 I have been self treating with a light box successfully for several years. My...

Featured

Would it be OK for me to simply replace all household lighting with full...

Light

 I am taking St. John’s wort for depression. One of the well-known side effects...

Light

I am wondering if you have ever come across patients whose sleep time and...

Light Box

Can prolonged use of a light box cause eye sensitivity and headaches? I...

Light Box

Do my eyes have to be looking directly at my light box to get...

Light Box

Hello, I have been using a light box for just over three weeks now....

Light Box
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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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