The best place to research this is you tube. I know a lot of people are taking about it there, and I am sure this is where I found what I heard. You are in place that censors many videos though, so you might not find them. The eu is the worst for that.
They also have a health diagnosis of "cell phone cancer" in Finland and a couple other countries, I think. Brain cancer and then in your hip for people who carry them in their pockets.