- Do you have depression or Seasonal Affective Disorder (SAD) ?
- Are you curious or concerned about your circadian rhythm?
- Are you sleeping the wrong hours?
Are you fighting fatigue when you need to be alert? Do you need treatment for your symptoms but don't want to use medications?
We're here to help - as an independent, non-profit professional agency dedicated to education and research on the new environmental therapies.
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CET goes international! Our self-assessment questionnaires now (or will soon) include professional translations in Danish, French, German, Italian, Portuguese, Russian and Spanish. You can select website text in French, German and Portuguese. Our online store provides the highest quality light boxes in Europe, Canada and the U.S. Our protective eyewear and high-output negative air ionizer are available worldwide. |
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We take this opportunity to welcome our new affiliate, Photonic Developments LLC, which is providing us the highest quality wraparounds to filter out short-wavelength blue light when it would interfere with melatonin production, circadian rhythm adjustment, smooth sleep onset, or visibility – and when it could pose a photosensitizing hazard to the retina. |
| NOW
YOU’RE DEPRESSED … NOW YOU’RE NOT!
We’ve just introduced the AutoSIGH, the first online depression scale inventory to instantly analyze your symptom pattern and severity and provide individualized confidential advice ready for printout. The AutoSIGH can help you guide your doctor. |
MY
PROBLEM, YOUR PROBLEM
Let’s face it, people are trying light therapy without professional guidance, and they come up with questions even most doctors can’t answer. We seek questions that our experts can answer in a way that informs the whole community. Check out our archive of hundreds of q&a’s on light therapy, negative air ionization, circadian rhythms, depression and sleep. Then ask your question in this anonymous forum. |
CONFUSED
BY ALL THOSE LIGHT BOX DESIGNS?
Big, miniature … white, colored … fluorescent, LED … expensive, affordable … proven, unproven…. It’s daunting to sort through the ads on the web and decide what’s best. Take some guidance from CET’s board of directors. |
| JOURNALISM,
ADS AND/OR SCIENCE
Light therapy is hot, but many claims are controversial wherever they’re published. Be sure to scan our assessment of the credible and misleading. |
MUST
READ FOR DOCS
The latest comprehensive clinical review and guidelines, downloadable here. |
DOSING
LIGHT
Apart from the amount of exposure, the timing is critical and differs from one person to the next according to their circadian rhythm. Check yourself out. |