Sham exposure It is important to note that the sham was also emitting RF radiation at a lower level and that the reaction of participants to the sham exposure may also be related to EMFs I have no idea of the scientific consensus on this but I ve moved it from the article because of a editorialising It is important to note and b unreliable sourcing it just dips into BMJ Rapid Responses which is no more than an online letters page to a post by a person of unknown credentials