Havana syndrome: Still no explanation for unusual health incidents

A U.S. government research team found no significant evidence of brain injury among a group of federal employees reporting symptoms of the "Havana syndrome" ailment that emerged in 2016, according to studies published in a medical journal on Monday.

Havana syndrome: Still no explanation for unusual health incidents
A U.S. government research team found no significant evidence of brain injury among a group of federal employees reporting symptoms of the "Havana syndrome" ailment that emerged in 2016, according to studies published in a medical journal on Monday.