Thursday, November 15, 2018

Have any studies been conducted in a clinical setting on the possibility of adverse effects on the retina with any light source of 10,000...

A reader asks: Have any studies been conducted in a clinical setting on the possibility of adverse effects on the retina with any light source...

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 light therapy? Answer: Color temperature reflects...

I have a number of related questions. 1. This is my first year using a light box. How do I know when to stop?...

A reader asks: I have a number of related questions. 1. This is my first year using a light box. How do I know when...

I am 50 years old and have struggled with insomnia for decades. I can even remember not being able to fall asleep as early...

A reader asks: I am 50 years old and have struggled with insomnia for decades. I can even remember not being able to fall asleep...

 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 to support the claim...

I have decided to stop using the light and have not used it for 4-5 days now. I am still waking up at 5...

A reader asks: I have decided to stop using the light and have not used it for 4-5 days now. I am still waking up...

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 syndrome once I get...

Can light therapy be useful for depression that is not related to seasonal change, i.e., major depressive episodes, cycling/chronic depression?

A reader asks: Can light therapy be useful for depression that is not related to seasonal change, i.e., major depressive episodes, cycling/chronic depression? Answer: Although these applications...

I’m in the midst of a chronobiologic Catch-22: I need to wake up earlier to use my light box (for depression) and to get...

A reader asks: I'm in the midst of a chronobiologic Catch-22: I need to wake up earlier to use my light box (for depression) and...

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 to bed at 9...

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