Exposure to extremely low-frequency electromagnetic fields modulates Na+ currents in rat cerebellar granule cells through increase of AA/PGE2 and EP receptor-mediated cAMP/PKA pathway.

This study provides compelling evidence that ELF-EMF exposure can directly modify the electrical activity of brain cells through a well-defined biological mechanism. The researchers didn't just observe an effect - they mapped out the entire cellular pathway explaining how EMF exposure triggers increased sodium channel activity. What makes this particularly significant is that sodium channels are fundamental to all nerve function, controlling how electrical signals travel through your nervous system. The exposure levels used (0.4-1 mT magnetic field strength) are within the range you might encounter near high-voltage power lines or certain electrical equipment, though much higher than typical household exposures. The reality is that this study adds to a growing body of research showing EMF can influence brain cell function at the molecular level, contradicting the long-held assumption that non-ionizing radiation has no biological effects. While we need more research to understand the health implications of these cellular changes, you don't have to wait for regulatory agencies to act - understanding that EMF exposure can measurably alter brain cell activity should inform your approach to managing exposure in your daily life.