CET’s Basic Guide to Light Therapy
Many individuals with depression are unwilling or unable to take medication or have found it ineffective. Bright light therapy box is now established as...
Bright Light Exposure Risks
Cautionary Notes About Bright Light Exposure
Light energy can interact with and damage skin and eye tissues, especially when a photosensitizing molecule—whether from a drug...
Bright Light Therapy and Sleep in Women Undergoing Chemotherapy for Breast Cancer
Annually, there are about 1.6 million new cases of cancer in the United States, of which breast cancer is the most common. Chemotherapy has...
Letter to My “Quarterly Club” Patients
I write this on August 1, 2020. August 1st is a date celebrated by the ancients, as Lammas, or the harvest holiday, when the...
Light Therapy Provides Major Improvement in Parkinson’s Disease
Parkinson’s disease (PD) presents as problematic when developing effective treatments. In discovering that dopamine was deficient in post-mortem brains of PD patients, one would...
Bright Light Therapy for Perinatal Depression
Perinatal depression is a type of depression experienced around, during, or shortly after pregnancy. It can affect any woman during any pregnancy or phase...
How to Select a Light Box
In the best of all possible worlds, every light box on the market should have undergone clinical trials to show its efficacy, and should...
Advertising and writing about light therapy in the media: why are the eyes nearly always closed?
In five minutes of web-browsing for a light therapy lamp, a motif repeats itself — beautiful models (nearly always women) with...
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,...
Seeking Treatment for Light Therapy, and Other Chronotherapy
CET does not recommend trying light therapy, or any other circadian rhythm treatment, without the supervision of a professional. Although side effects...
