Revising the World Health Organization’s previous position that there’s no established link between cell phone use and cancer, a group of WHO scientists has recommended that cell phone use be classified as a “possible carcinogen.” While they emphasized that future research is needed to establish a more definitive connection, the researchers’ comprehensive review of relevant studies does suggest that an increased risk of glioma, a type of brain cancer, is associated with mobile phone use.

OtherWords ran this op-ed in February by Green America’s Tracy Fernandez Rysavy highlighting mobile phone dangers. It offers tips about what you can do to reduce your risks.