Wednesday, August 15, 2018

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 have noticed some...

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 help me get up...

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 Kelvin (K) and full-...

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, we believe that bright...

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...