evidence: Can EMFs be harmful to my health? [...] Now, in the age of cellular telephones, wireless routers, and the Internet of things, all of which use EMF, additional research is needed on practical ways to reduce exposures to EMFs. [...] Additional Resources - Electromagnetic Fields and Cancer - National Cancer Institute - IARC Classifies Radiofrequency Electromagnetic Fields as Possibly Carcinogenic to Humans - The WHO/International Agency for Research on Cancer (IARC) has classified radio frequency electromagnetic fields as possibly carcinogenic to humans (Group 2B), based on an increased risk for glioma, a malignant type of brain cancer1, associated with wireless phone use.