The Center for Environmental Therapeutics
The Center for Environmental Therapeutics is a 501(c)3 nonprofit organization founded in 1994 in response to accelerating national and international interest in new environmental therapies. The Center is made up of a multidisciplinary team of eminent researchers and clinicians - experts in mental health, ophthalmology and optical physics, electrical engineering, biochemistry, physiology and gerontology - who are committed to pooling their efforts toward the development of effective environmental therapies. CET is by nature interdisciplinary. In order to develop chronotherapeutics, we reach out to researchers in sleep disorders, sleep physiology, circadian biology, psychiatry, photobiology, ophthalmology, optical physics and electrical engineering. Here we provide links to associated websites that describe a range of current professional, clinical, and research initiatives.The innovative, free "Automated Morningness-Eveningness Questionnaire" uses a tested algorithm to derive the best schedule for light therapy determined from an individual's circadian rhythm chronotype. Clinicians can here obtain the latest assessment instrument, "The Structured Interview for the Hamilton Depression Scale with Atypical Depression Supplement" (also available as self-rating, and in a validated German version).
http://www.cet.org/



The Society for Light Treatment and Biological Rhythms
The Society for Light Treatment and Biological Rhythms is a not-for-profit international organization founded in 1988, dedicated to fostering research, professional development and clinical applications in the fields of light therapy and biological rhythms. The members of the SLTBR have clinical and research interests in biological rhythm disorders including: seasonal affective disorder (SAD), jet lag, shift work, sleep disorders, eating disorders, nonseasonal depression, bipolar disorder, premenstrual syndrome, and others. The international professional organization for researchers and clinicians concerned with chronotherapeutics and its underlying basic science.They study and use treatments including: light therapy, chronotherapy, melatonin, serotonergic medications, and others. The corporate members of the SLTBR have developed devices for the scientific measurement of light and for the therapeutic use of light. The SLTBR has public information sections such as "Questions and Answers about Seasonal Affective Disorder and Light Therapy" and "Questions and Answers about Melatonin".
Society for Light Treatment and Biological Rhythms


Centre for Chronobiology, Basel, Switzerland
Research descriptions from Europe’s first chronotherapeutics program, established by Dr. Anna Wirz-Justice.

International Society for Affective Disorders
Read the report by the Society’s Committee on Chronotherapeutics, with recommendations for treatment indications across the spectrum of depressive disorders.

www.dankripke.org
"Brighten your Life": an ebook on light therapy for depression and sleep from Dr. Daniel Kripke, a pioneer in the field

www.light-and-ion-therapy.org
Home page of Drs. Michael and Jiuan Terman at the Columbia University Clinical Chronobiology Program

www.ubcsad.ca
UBC Mood Disorders Centre and Seasonal Affective Disorder Information Page (Dr. Raymond Lam)

www.chronobiology.ch
Information about publications and studies from the Centre for Chronobiology, University Psychiatric Hospitals Basel, Switzerland (Dr. Anna Wirz-Justice)

www.berger-mathias.de
Website of Prof. Berger, Director of the Psychiatric University Clinic in Freiburg (in German)