Welcome to CET’s fact-filled website!
Here are the three main categories of the CET team’s work. Feel free to explore our topics.
Ionized air
What is negative air ionization?
A springtime thunderstorm hits, and as soon as it passes you are eager to go out for a walk. The feeling can be exhilarating. The same thing happens visiting Niagara Falls or by the seaside.
Andrea's Story
Andrea M, 23, was a graduate student at Hollins University in Roanoke, Virginia. A couple of years earlier, while she was still an undergraduate there, she took part in a clinical trial testing the effects of negative air ions on SAD.
Some questions from our visitors
In clinical trials, when side effects were measured, there were no indications of hypomanic episodes. However, other cases include a small number of users who have become “wired”…
Wein Vortex VI-3500 Room Ionic Air Purifier
The Vl-3500 uses the wonders of miniature technology to imitate nature’s ionization process in one of the most portable, efficient, and economical personal air purifiers available.
Could light therapy help reset your day?
Learn how light therapy has been studied as a tool for supporting mood, sleep timing, and daily energy.
These resources explain how light interacts with the circadian system and why timing, intensity, and consistency matter.
