Here is a good article on people who think the are hypersensitive to radio frequencies:
Green Bank, W.V., where the electrosensitive can escape the modern world. - Slate Magazine
The idea that radio frequencies can cause harm to the human body isn’t entirely absurd. Some research has suggested that long-term exposure to power lines and cellphones is associated with an increased chance of cancer, although most evidence says otherwise. But what these people claim—that exposure to electromagnetic frequencies can immediately cause pain and ill health—is relatively novel, has little medical research to support it, and is treated with deep skepticism by the scientific mainstream.