Environmental Therapeutics is...

a growing set of effective treatments that utilize natural elements including light and air.

Difficulties that tend to respond well to these therapies include:

  • Depression
  • Mania
  • Troubles with sleep
  • Daytime fatigue
  • Reactions to shift work
  • Changes with Daylight Saving Time

For everyone

Reading and learning how to improve your sleep and mood.
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For professionals

A collection of resources and up-to-date information.
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Self-assessments with feedback

Take our free unique, anonymous, automated self-assessments to track depressed mood, find the best time for you personally to start light therapy, and more.
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Our New Lives With COVID-19

CET and friends in the research community offer a unique set of suggestions for dealing with sleep,
mood changes, and the virus itself – along with some noteworthy history about pandemics and vaccines.

Ask Our Experts

Select a category that interests you.

We have a vast library of answered questions.

Faculty at Columbia, Yale, the University Hospitals of Basel and Copenhagen, the Russian Academy of Medical Sciences, and other top institutions around the world serve as our experts. Their cutting edge research offers snapshots of our interdisciplinary enterprise. Please note that the recommendations of our experts are not a substitute for the advice of your own physician or therapist.

Categories

I used to use my light box every time I had an important exam, it was the best choice I…

How do artificial electric light exposure and reduced natural light exposure both present health risks?

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