Illness and disease are clearly on the decline, and have been ever since science and technology came through the door lifting us up and out of the dark middle ages of belief and fear.

As for "electrosensitive" people - it's that exact fear of the unknown that makes them sick. Extensive studies on large groups of these people (which exist today) clearly prove that even the self-declared ultransensitive ones cannot actually tell or feel whether they are exposed to electromagnetic fields or not. On the other hand, they instantly show symptoms whenever they believe they are exposed.

To your "large amounts" comment: Wireless LAN is about the weakest radio signal you'll ever get, at 0.1 watts maximum power.

Remember that psychological issues do grow when they're fed - so you best don't.