Add Yahoo as a preferred source to see more of our stories on Google. A scientist in Norway gave himself brain damage after he tested a secret weapon on himself to disprove the existence of Havana Syndrome, it has emerged.

Two senators -- one Republican and one Democrat -- warned Defense Secretary Pete Hegseth against relocating and reducing resources for a Pentagon team charged with investigating so-called "Anomalous Health Incidents," or AHI, colloquially known as Havana Syndrome, arguing that such a move would undercut care for affected personnel and stall ongoing research.