There is one brand of light box out there that combines light and ions. Would that be overkill? Could one somehow get “too much...

A reader asks: There is one brand of light box out there that combines light and ions. Would that be overkill?...

In answer to another person’s question, you said, “Waking up to bright morning light, whether from outdoors or timed artificial light sources, is far...

A reader asks: In answer to another person's question, you said, "Waking up to bright morning light, whether from outdoors or...

Do most people respond to light therapy even at the “right time” for phase advances or delays? Does it need to be done at...

A reader asks:  Do most people respond to light therapy even at the "right time" for phase advances or delays? Does...

 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...

 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...

Do you have any suggestions for someone who has suffered with summer depression for years. …

A reader asks:  Do you have any suggestions for someone who has suffered with summer depression for years. Obviously the light...

Do you agree with the opinion that SAD should be treated simultaneously by light, regularly scheduled exercise and proper diet? …

A reader asks:  Do you agree with the opinion that SAD should be treated simultaneously by light, regularly scheduled exercise and...

 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...

What is sundowning, and what symptoms occur with this? Is light therapy something that should be considered? The individual is suffering from depression, irritablility...

A reader asks:  What is sundowning, and what symptoms occur with this? Is light therapy something that should be considered? The...

If I am using light therapy to combat depression, and doing so resets my clock earlier …

A reader asks:  In the answer to question #1498 you wrote, "This is the time interval during which you can most...

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