As someone who grew up Haredi enough that my first cell phone was a so called "kosher phone" but not haredi enough that I would take that pashkevil seriously...

As someone who grew up Haredi enough that my first cell phone was a so called "kosher phone" but not haredi enough that I would take that pashkevil seriously... who comes up with this stuff? Like... cell phones cause cancer? I thought everyone knew that was women's elbows?? I guess both can cause cancer, but only one can be "enemy #1"