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...

I have recurrent ocular herpes for which I take Valtrex every day. Are there any concerns that light box therapy can exacerbate it?

A reader asks: I have recurrent ocular herpes for which I take Valtrex every day. Are there any concerns that light box therapy can exacerbate...

 I have been treated for major depression and bipolar disorder for several years, with different medications, but with no significant relief! Recently, I purchased...

A reader asks:  I have been treated for major depression and bipolar disorder for several years, with different medications, but with no significant relief! Recently,...

What happens if you do light therapy too early? I have one day a week when I have to leave for work before my...

A reader asks: What happens if you do light therapy too early? I have one day a week when I have to leave for work...

I get the impression from everything I have read that exposure to light at the time of waking

A reader asks: I get the impression from everything I have read that exposure to light at the time of waking is important for fighting...

I think I have delayed sleep phase syndrome (DSPS). I took the Automated Morningness-Eveningness Questionnaire and got some interesting suggestions I’d like to try....

A reader asks:  I think I have delayed sleep phase syndrome (DSPS). I took the Automated Morningness-Eveningness Questionnaire and got some interesting suggestions I'd like...

Does the effect of light therapy drop off after a while? I got great results (using all the wrong equipment and angles, not knowing...

A reader asks: Does the effect of light therapy drop off after a while? I got great results (using all the wrong equipment and angles,...

What does spectrum mean when talking about light therapy? Is “sunlight” a type of spectrum for the lamp or just like sunlight outdoors. Does...

A reader asks: What does spectrum mean when talking about light therapy? Is "sunlight" a type of spectrum for the lamp or just like sunlight...

How long should you be treated with an artificial sunlight bulb?

A reader asks: How long should you be treated with an artificial sunlight bulb? Answer: We do not recommend treatment with "bulbs" per se, but rather with...

Is it safe to use a light box if I am on intravenous antibiotic therapy with doxycycline for Lyme Disease? I have been instructed...

A reader asks:  Is it safe to use a light box if I am on intravenous antibiotic therapy with doxycycline for Lyme Disease? I have...