The elimination of geomagnetic field (GMF). also called hypomagnetic field (HMF). is one of the major environmental hazards faced by deep-space astronauts and the workers in magnetically shielded rooms on Earth. We previously reported that long-term HMF exposure impaired adult hippocampal neurogenesis (AHN) and cognition by reducing endogenous reactive oxygen species (ROS) levels in a... https://www.chiggate.com/welding-inspection-mirror-magnetic-base-flexible-fashion/