Saturday, September 21, 2019

I have at least some degree of depression on a year-round basis with a worsening in the winter months. …

A reader asks:  I have at least some degree of depression on a year-round basis with a worsening in the winter months. In the past,...

Does the changing length of day and the time of natural sunrise/sunset affect the optimum-time calculation for light therapy?

A reader asks:  Does the changing length of day and the time of natural sunrise/sunset affect the optimum-time calculation for light therapy? Answer: Only indirectly. Our internal...

I am a 22-year-old female who has had chronic fatigue syndrome (CFS) for almost two years. During that time, my sleep has been awful....

A reader asks:  I am a 22-year-old female who has had chronic fatigue syndrome (CFS) for almost two years. During that time, my sleep has...

Can light therapy alter endocrine hormone levels? There may be some evidence that TSH levels can be affected, but what about prolactin?

A reader asks:  Can light therapy alter endocrine hormone levels? There may be some evidence that TSH levels can be affected, but what about prolactin? Answer: The...

Does seasonal affective disorder subside in more temperate climates?

A reader asks: Does seasonal affective disorder subside in more temperate climates?   Answer: Although exceptions to the rule have been reported in some surveys, in general, Seasonal...

I experience advanced sleep phase disorder (ASPD) in addition to SAD. My understanding of SAD is to treat it with morning light. My understanding...

A reader asks:  I experience advanced sleep phase syndrome (ASPD) in addition to SAD. My understanding of SAD is to treat it with morning light....

 I have recently been diagnosed with SAD and am about to purchase a light box. Both Medicaid and Medicare have refused to contribute toward...

A reader asks:  I have recently been diagnosed with SAD and am about to purchase a light box. Both Medicaid and Medicare have refused to...

My husband has been diagnosed with SAD. His doctor told us it is okay to purchase a light box for therapy. He has some...

A reader asks:  My husband has been diagnosed with SAD. His doctor told us it is okay to purchase a light box for therapy. He...

The CET Store offers two different light boxes, one of which uses a color temperature of 6500 Kelvin and the other, 4000 Kelvin. …

A reader asks:  The CET Store offers two different light boxes, one of which uses a color temperature of 6500 Kelvin and the other, 4000...

In all of the books I have read regarding SAD, they show a dawn simulator that looks like a set of track lights. I...

A reader asks:  In all of the books I have read regarding SAD, they show a dawn simulator that looks like a set of track...

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