How does light work?

By Dan Oren MD Department of Psychiatry, Yale School of Medicine Dan Oren received the MD degree from the Yale School of Medicine, where...

The Timing of Sunrise Within U.S. Time Zones . . . and SAD

Michael Terman PhD is president of the Center for Environmental Therapeutics and a professor of clinical psychology in psychiatry at Columbia University. Shortly...

Variations on the SAD Experience

by Michael Terman  Department of Psychiatry, Columbia University Michael Terman PhD is a research psychologist whose studies have spanned...

Negative Air Ionization for Environmental Therapeutics

What is negative air ionization? A springtime thunderstorm hits, and as soon as it passes you are eager to go out for a walk. The...

Challenging the Tendency to Oversleep: A Strategy for Confronting Chronic Depression

by Robert Levitan Department of Psychiatry and Institute of Medical Science, University of Toronto Robert Levitan MD is a member of the CET’s Board of Advisors,...

Circadian Misalignment: A Biological Basis for Mood Vulnerability in Shift Work

by Sarah L. Chellappa Division of Sleep and Circadian Disorders, Brigham and Women's Hospital, Boston, MA, USA Sarah L. Chellappa M.D. Ph.D., is a chronobiologist and...

Why Should Someone Learn About Depression?

by Sarah Zabel Coeur d’Alene, Idaho Sarah Zabel M.Sc. is a retired US Air Force Major General and former Vice Director of the US Defense Information...

Do Circadian-Modifying Treatments Work for Bipolar Disorders? What the Evidence Shows

by John F. Gottlieb Department of Psychiatry, Feinberg School of Medicine, Northwestern University, Chicago USA John F. Gottlieb MD is Assistant Clinical Professor of Psychiatry at...

Depression and Anxiety in COVID-19 Survivors

by Mario G. Mazza and Francesco Benedetti Departments of Psychiatry and Clinical Psychobiology, Division of Neuroscience, Scientific Institute IRCCS, Ospedale San Raffaele, and Vita-Salute University,...

Andrea’s Story: Up Close and Personal with an Ionizer

Michael Terman PhD, and Ian McMahan PhD, excerpted from Reset Your Inner Clock: The Drug-free Way to Your Best-Ever Sleep, Mood, and Energy Andrea M,...