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Seasonal Affective Disorder, or SAD, is a type of mood disorder that occurs (most often) in the wintertime, when the sufferer has less exposure to natural daylight.

Sometimes called Winter Depression, it is common during the seasons of the year when the days are relatively short. It is worse in the northern latitudes and almost non-existent at the equator.

Bright lights of up to 10,000 lux intensity (that's bright!) are sometimes used to help SAD. Regular 20-minute exposures at 5 AM, for example, is said to help.

However, High-Density Negative Ions have been shown to produce the same effect, without the inconvenience of having to spend time in front of an expensive 10,000 lux lamp.

Please click on the links at the top of the left blue column and below for more information.

 

• SEASONAL AFFECTIVE DISORDER
• Negative air ionization and depression
• A controlled trial of timed bright light and negative air ionization for treatment of winter depression.
• American Medical Association article on winter depression
• Psychiatric Times
• SAD: a Sign of the Sunless Season
• Your Depression Resource Guide - Information on depression, Seasonal Depression, antidepressants, treatments, and symptoms.

 

FOLLOW THESE LINKS TO READ MORE:

About Negative ions | Scientific research | Proof Positive | Depression

High-Density Negative Ion Generators

Negative ions vs. ozone
(Ozone cannot help SAD)

IMPORTANT NOTE: We offer no warranties of any kind regarding the links listed here.
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