Light Therapy: Its Discovery and Applications
How it all began...Light therapy is one of the most exciting and scientifically interesting developments in medicine today. First, it is one of 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 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...
An Ideal Marriage: Basic and Clinical Research in Chronobiology
Researchers studying single-cell blue-green algae or zebra fish, fruit flies or hamsters, often write at the bottom of their grant applications that, “Understanding basic...
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...
Afternoon light: the key for more restful sleep in older adults
Consolidated sleep is vital for both physical and mental well-being. Yet, our ability to maintain uninterrupted nighttime sleep decreases as we age. The sleep-wake pattern...
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...
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...
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...
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...









