Have you ever heard of the dangers of living too close to a cell tower? I have, and I wasn't sure what to think of it. Recently, some of the same people have been lobbying the government to ban WiFi from public school because some of the students were having "cardiac arrest". Sound sketchy? You bet. Read this scathing review on SkepticNorth about the case for electrohypersensitivity.
If you read the deposition of Mr. Rodney Palmer to the House of Commons Standing Committe on Health, my favourite line is, "Some [student] report dizziness and vertigo, but only when they're in the school."