“Wi-Fi is safe.” “Wi-Fi is dangerous.” Hear both sides of the debate and decide where you fall.

Our homes, businesses, schools, coffee shops, and even airplanes are all going wireless, allowing us to be connected 24/7. It’s incredibly convenient—and most of us can’t imagine life without Wi-Fi.

But is Wi-Fi safe?

There’s a lot of controversy about the potential health risks of the wireless radiation emitted by Wi-Fi, cellphones, and other devices—especially in children. Some say living in a “virtual sea ...