Variations on the SAD Experience
Seasonal affective disorder (SAD) is operationalized in the Diagnostic and Statistical Manual of Mental Disorders, 5th ed., as a subtype of recurrent...
Do Circadian-Modifying Treatments Work for Bipolar Disorders? What the Evidence Shows
The Center for Environmental Therapeutics is dedicated to the promotion of non-pharmacologic, natural treatments, many of which are thought to act on our biological...
The Timing of Sunrise Within U.S. Time Zones . . . and SAD
Shortly before the winter solstice near Basel, Switzerland. Photo courtesy of Dominik Wunderlin, BaselDecember 2020. With the winter...
How does light work?
Light is a powerful antidepressant and is also the most powerful known zeitgeber (time-setter) for the internal biological clocks of the body.
Surprisingly,...
Comprehensive Treatment Strategies for SAD
A review of Defeating SAD: A Guide to Health and Happiness in All Seasons by Norman E. Rosenthal, M.D. / Gildan Media, 2023Seasonal Affective...
Mental Health and the Body Clock: What Questions Should Research Be Answering?
Do you ever wonder about who decides what research focuses on? Well, usually it’s decided by researchers and the people who fund research (which...
Personal light exposure research needs a common standard, not a thousand wheels
Photo/image by: Nadja Baltensweiler
Personal light exposure has become a central construct in light-and-health research: many researchers now routinely use wearables...
Depression and Anxiety in COVID-19 Survivors
“After three weeks of treatments, I was healing from COVID, at home, had no fever, and just a little cough. But sometimes at night,...
Circadian Misalignment: A Biological Basis for Mood Vulnerability in Shift Work
Depression has significant economic impact: According to the World Health Organization, the estimated cost to the global economy is US$1 trillion per year in...
Challenging the Tendency to Oversleep: A Strategy for Confronting Chronic Depression
Chronic depression is a common and disabling disorder that is often resistant to standard antidepressant treatment. Many patients with chronic depression have a strong...
