Sunday, December 15, 2019

Exactly how far from a 10,000 lux light box should I sit, and where should I place it? It is 2-feet wide and 1-foot...

A reader asks:  Exactly how far from a 10,000 lux light box should I sit, and where should I place it? It is 2-feet wide...

I started using a 10,000 lux light box last fall with dramatically positive results. …

A reader asks:  I started using a 10,000 lux light box last fall with dramatically positive results. Because I felt better during the winter with...

I take a low dose birth control pill and have been advised to stay out of the sun to avoid brown marks (“mask of...

A reader asks: I take a low dose birth control pill and have been advised to stay out of the sun to avoid brown marks...

I am confused. A recent q&a item said that color temperature and spectral output matter. I understood your previous answers to suggest they did...

A reader asks: I am confused. A recent Ask the Experts answer said that color temperature and spectral output matter. I understood your previous answers...

In the interest of saving money, what about making a light box with a conventional housing for fluorescent tubes and a standard plastic screen?

A reader asks:  In the interest of saving money, what about making a light box with a conventional housing for fluorescent tubes and a standard...

In the question on “the mechanism of action of the agitation side effect,” one of your suggestions was to try light later in the...

A reader asks:  In the question on "the mechanism of action of the agitation side effect," one of your suggestions was to try light later...

What is the correct way to measure the distance from the box, which determines lux level? …

A reader asks:  What is the correct way to measure the distance from the box, which determines lux level? If it is at eye level,...

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,...

I have been using a light box for the past three days, and have experienced a headache that lasts all day and into the...

A reader asks:  I have been using a light box for the past three days, and have experienced a headache that lasts all day and...

 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...

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