“[T]here is evidence that RF EMF exposure increases the incidence of cancer in experimental animals with the [certainty of evidence] being strongest for malignant heart schwannomas and gliomas.” The review is part of the WHO RF–cancer assessment.
Open access. Gliomas are brain tumors.
Peer review took a full 14 months.
https://microwavenews.com/papers/effects-rf-cancer-animals