In Havana syndrome patients, NIH scientists find no physical trace of harm
The mysterious ailments that became known as Havana syndrome left no physical evidence of injury or disease, according to two government studies.
Two rigorous government studies found no unusual pattern of injury or disease in the brains of people with the mysterious cluster of symptoms known as Havana syndrome.
The studies involved more than 80 government employees and family members who experienced "anomalous health incidents" while stationed in countries including Cuba, China, Austria, and the United States.
Many of the individuals had reported hearing odd sounds or sensing pressure before suddenly developing symptoms including vertigo, loss of balance, and ear
