Grumpy Old Geeks Topics Wi-Fi health concerns Topic Wi-Fi health concerns 3 mentions in 1 episode The hosts discuss claims about Wi-Fi exposure and whether evidence supports harmful effects. Mentions 112: Counting to Potato May 29, 2015 1:43 the plants near the Wi-Fi didn't do as well 2:04 there's absolutely no study whatsoever that has ever proved that there's any harmful effects of Wi-Fi 3:07 when I sleep with my phone on my pillow with the Wi-Fi on and the Wi-Fi off