Welcome to the forum @Curious,
You might best start with an objective source of information about EMF such as
In contrast there are myriad conspiracy-style sites selling fear, paranoia, and sometimes products that vary from useful in particular industrial settings to completely useless for the typical consumer situation.
You might be interested in this topic that reflects some sources of good information as well as questionable. While focusing on a fear of smart meters there are numerous posts about EMF in other settings such as wifi, etc.
As you might imagine there is some emotion in the topic but the evidence from peer reviewed studies and scientifically sound evidence is consistent, with many links throughout that linked topic.
