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Center for Environmental Therapeutics
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CET

CET
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Ask Our Experts

What is the recommended method of use of a negative air...

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Can one use natural light instead of a bright light therapy...

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Unlock the Power of Your Body Clock with our Chronotype Quiz

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Circadian Reinforcement Therapy – A New Approach to Treat Depression

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Illuminating progress: Novel guidelines for documenting and reporting light interventions in...

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Afternoon light: the key for more restful sleep in older adults

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How does red and near-infrared therapy compare to bright light therapy...

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SIGH Resources

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A path forward for those who are falling asleep too early:...

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Is there a difference in the therapy effect in the use...

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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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