Various double-blind studies involving cell-towers also show no effect. Of folks claiming some kind of electromagnetic hypersensitivity, the greatest sensitivity seems to be whether they can see if a power-light is on or not.

Some may have real symptoms, but the cause is something else inside or outside them.

There is a dedicated group of people who believe any electromagnetic emission is affecting them negatively. Searching on "electromagnetic free zones" is quite the rabbit hole. And there's way more to them than the "5G is mind control forced on us by the Illuminati for the New World Order" crowd.