Recent research by David Carpenter of the University of Albany and several other scientists around the world has shown that on average 2-3% of the population are hypersensitive to electromagnetic fields (such as those generated by cell phones and WiFi). Ascending trend. It is therefore not a question of a few "imaginary sick people", but a phenomenon that - in addition to a conscious and reduced use of wireless technology in the domestic environment - should be countered by creating or protecting cell phone-free zones: