I am getting fairly good results with a light box, but because of complicating factors, not as good as I would like. I am...

A reader asks: I am getting fairly good results with a light box, but because of complicating factors, not as good as I would like....

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...

If I buy a small light box with less lux output, is it simple math to adjust my sessions — for example, half the...

A reader asks:  If I buy a small light box with less lux output, is it simple math to adjust my sessions -- for example,...

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...

I take Neurontin for chemical sensitivity. Do I need to adjust my light therapy use?

A reader asks: I take Neurontin for chemical sensitivity. Do I need to adjust my light therapy use? Answer: Neurontin (gabapentin) is an interesting drug. It was...

How does one choose whether to use light therapy, negative air ionization or dawn simulation for SAD? If one version of light therapy does...

A reader asks:  How does one choose whether to use light therapy, negative air ionization or dawn simulation for SAD? If one version of light...

 My daughter has been diagnosed with SAD and has purchased a light box which is helping her with waking and sleeping. She is 22...

A reader asks:  My daughter has been diagnosed with SAD and has purchased a light box which is helping her with waking and sleeping. She...

My ideal timing for light therapy, according to your Automated Morningness-Eveningness Questionnaire, is 6:45 a.m. Now, in my country, daylight starts sooner than that...

A reader asks: My ideal timing for light therapy, according to your Automated Morningness-Eveningness Questionnaire, is 6:45 a.m. Now, in my country, daylight starts sooner...

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...

My husband and I practice natural family planning using the sympto-thermal method. Charting my waking temperature at the same time each day is important...

A reader asks:  My husband and I practice natural family planning using the sympto-thermal method. Charting my waking temperature at the same time each day...