Can you tell me if someone who has had one of the following treatments, and was advised not to be exposed to sunlight, might...

A reader asks:  Can you tell me if someone who has had one of the following treatments, and was advised not...

What is the cost of this light apparatus to the patient?

A reader asks:  What is the cost of this light apparatus to the patient?Answer: Research volunteers in all our clinical trials are...

 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...

For use with a light box (with or without UV shielding), is it better to buy UV glasses to block possible UV rays entering...

A reader asks:  For use with a light box (with or without UV shielding), is it better to buy UV glasses...

Even after a good night’s sleep, I have trouble waking and getting out of bed in the dark, yet, regardless of the hour I...

A reader asks:  Even after a good night's sleep, I have trouble waking and getting out of bed in the dark,...

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...

What is known about the effect of electromagnetic radiation (EMR) from sitting so close to a light box? …

A reader asks: What is known about the effect of electromagnetic radiation (EMR) from sitting so close to a light box?...

I’m using a light box (10,000 lux) for 30 minutes at 7:30 each morning for depression and to help me get up at a...

A reader asks:  I'm using a light box (10,000 lux) for 30 minutes at 7:30 each morning for depression and to...

I am ready to purchase a 10,000 lux light box, but am still confused about wavelength vs. degrees Kelvin (K) and full- vs. broad-spectrum...

A reader asks:  I am ready to purchase a 10,000 lux light box, but am still confused about wavelength vs. degrees...

How do the lights work?

A reader asks: How do the lights work?Answer: Scientists are still investigating the precise mechanism that makes light therapy effective. Thus far,...

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