Here is an interesting article directly related to what is being discussed here.
I'd be interested to hear from you and all the others here as to what they think of it. (They'd probably be interested in getting the teachers names/addresses so they could have them do some 'tests'.)
School Solves Staff Health Problems With Electrical Filtershttp://www.lessemf.com/es.html
(Scroll down the page for article)
Since you asked for reactions to the article:
The article is of such low quality that it is almost worthless. No specifics (field type, strength, etc.), no citations to sources for details, from popular press (so purpose is to sell papers), selected by a site with a conflict of interest (trying to sell you stuff). The reporting is so bad that can't tell what may or may not have happened.
My favorite bit is the "fluke" meter. Perhaps to measure the number or probability of flukes, or "lucky or improbable occurrence[s], with the implication that the occurrence could not be repeated."
Of course I am aware that it probably just means a meter made by Fluke Electronics - but the fact that they thought it more important to report who made the meter than to report what (specifically) was being measured or how large the measurements were just supports the observation that the reporter or editor didn't have a clue.
Higher quality sources are more likely to be provide useful information.
For instance, the World Health Organization EMF project.
Their "About electromagnetic fields" article provides a reasonable overview.
http://www.who.int/peh-emf/about/Whatis ... ndex1.html
(See the section "Progress in research" for perspective on media coverage.)
The World Health Organization is a leading international public health organization.
The introductory article could be improved by citing more relevant sources, but it gives a fairly good overview of the field.
The EMF project site also has links to research, etc.