I used a light box for about 10 days, and ended up experiencing anxiety and irritability, even after cutting back on the time of...

A reader asks:  I used a light box for about 10 days, and ended up experiencing anxiety and irritability, even after...

I am considering using a light box to adjust my circadian rhythm, which is now severely delayed. …

A reader asks: I am considering using a light box to adjust my circadian rhythm, which is now severely delayed. I...

 I have been using a light box, the one you recommend, for about a month. I use it for a half hour, generally between...

A reader asks:  I have been using a light box, the one you recommend, for about a month. I use it...

 Having been diagnosed with adult attention deficit disorder (ADD) and depression, I have been on medication for both but feel worse during the winter...

A reader asks:  Having been diagnosed with adult attention deficit disorder (ADD) and depression, I have been on medication for both...

I notice an antidepressant effect if I use my light box in the early morning. However, I am phase-advanced, so I do not sleep...

A reader asks:  I notice an antidepressant effect if I use my light box in the early morning. However, I am...

I am wondering if you have ever come across patients whose sleep time and wake time are incredibly reliable, who don’t have a mood...

A reader asks:  Dr. Terman, I have read with great interest the summaries of your research, and some of your blog...

Can prolonged use of a light box cause eye sensitivity and headaches? I used a light box for about two years and developed...

A reader asks:  Can prolonged use of a light box cause eye sensitivity and headaches? I used a light box for...

Do my eyes have to be looking directly at my light box to get maximum benefit? …

A reader asks:  Do my eyes have to be looking directly at my light box to get maximum benefit? I usually...

Hello, I have been using a light box for just over three weeks now. Initially I simply used it when I naturally woke-the first...

A reader asks:  Hello, I have been using a light box for just over three weeks now. Initially I simply used...

I want to help! ❤️