Not sure if everyone who comments have actually read anything on the topic. While I'm not worried myself due to the sheer number of null studies that exist, he's not just dreaming this up. There are plenty of peer-reviewed scientific studies that claim to show that there indeed is such an effect. One selected randomly below:

As a result, it was found that there was no statistically significant difference in the BBB of rabbits exposed to 1800 MHz radiation, whereas there was a statistically significant difference at a 95% confidence level in the BBB of rabbits exposed to 2100 MHz radiation

https://link.springer.com/article/10.1007/s11517-024-03238-1

The WiFi came from the future to turn HIV into AIDS.

This goes back to "The Zapping of America" by Paul Brodeur.