Mysterious Ailments Are Said to Be More Widespread Among U.S. Personnel (Published 2021)
The Biden administration has begun more aggressively investigating episodes that left spies, diplomats, soldiers and others with brain injuries.
Link: https://www.nytimes.com/2021/05/12/us/politics/biden-cia-brain-injury.html
And in one case in 2019 that has not previously been reported, a military officer serving overseas pulled his vehicle into an intersection, then was overcome by nausea and headaches, according to four current and former officials briefed on the events. His 2-year-old son, sitting in the back seat, began crying. After the officer pulled away from the intersection, his nausea stopped, and the child stopped crying.