In the question on “the mechanism of action of the agitation side effect,” one of your suggestions was to try light later in the...
A reader asks:
In the question on "the mechanism of action of the agitation side effect," one of your suggestions was...
I am confused. A recent q&a item said that color temperature and spectral output matter. I understood your previous answers to suggest they did...
A reader asks:
I am confused. A recent Ask the Experts answer said that color temperature and spectral output matter. I...
I started using a 10,000 lux light box last fall with dramatically positive results. …
A reader asks:
I started using a 10,000 lux light box last fall with dramatically positive results. Because I felt better...
How do the lights work?
A reader asks:
How do the lights work?Answer:
Scientists are still investigating the precise mechanism that makes light therapy effective. Thus far,...
I’m using a light box (10,000 lux) for 30 minutes at 7:30 each morning for depression and to help me get up at a...
A reader asks:
I'm using a light box (10,000 lux) for 30 minutes at 7:30 each morning for depression and to...
My 16-year-old daughter is perpetually tired, even though she sleeps well and gets plenty of it. She goes to bed at 9 at night...
A reader asks:
My 16-year-old daughter is perpetually tired, even though she sleeps well and gets plenty of it. She goes...
What is your opinion about the safety and efficacy of green light boxes? …
A reader asks:
What is your opinion about the safety and efficacy of green light boxes? A manufacturer cites some research...
I bought CET’s recommended light box in early November and can’t even begin to describe what a wonderful addition to my life it has...
A reader asks:
I bought CET's recommended light box in early November and can't even begin to describe what a wonderful...
Where in my area can I find help planning the schedule I need to treat delayed sleep phase syndrome once I get the lamps?...
A reader asks:
Where in my area can I find help planning the schedule I need to treat delayed sleep phase...
What is the difference between color temperature and the color rendering index (CRI)? Which is more important for light therapy?
A reader asks:
What is the difference between color temperature and the color rendering index (CRI)? Which is more important for...