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Real Relief From Artificial Sun |
| Section: NATURAL SCIENCE / SCIENCE AND MEDICINE |
| Author: Shelley Widhalm |
| Publication: The world & I online |
| Issue Date: 2/1/2007 |
| Size: 995 Words, 6,450 Characters |
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Neal Owens' on-the-job sales productivity declined as the autumn days shortened.
The Gaithersburg, Maryland resident was a highly productive employee during the spring and summer, but in winter, he felt lethargic, ate and slept more, and couldn't figure out why.
Owens contacted the National Institute of Mental Health (NIMH) in Bethesda, Maryland in the early 1980s, believing he might have the then-newly identified seasonal affective disorder (SAD), a type of depression associated with a change in season and length of day.
The researchers allowed Owens to borrow one of their light boxes, which provides artificial light that mimics sunlight to lessen SAD's symptoms, but the agency would not let him keep it. When he found out he could not buy a light box commercially, he made his own...
. . .
...e explained from an evolutionary point of view, Olds says. In caveman times, women reduced their energy use in the winter months, when crops were less available, so the energy they did consume would help them give birth to healthy babies in the spring, he says.
"We have this legacy hardware leftover from when we were hunter-gatherers," Olds says.
Copyright © 2006 The Washington Times, LLC.
(818 of 6,450 characters)
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