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Dr. Sergio Della Sala, a professor of human cognitive neuroscience at the University of Edinburgh, told Salon that he has serious doubts any kind of "syndrome" actually exists, at least based on the 2018 paper published in JAMA.

"Those data do not support the existence of a new syndrome, as the cluster of the reported symptoms are not consistent and as anyone assessed using the criteria used in the JAMA papers would result pathological," Della Sala pointed out. "It is a statistical fact."

He emphasized that this does not mean people are being untruthful when they claim to be sick. It merely indicates that the naming of a syndrome should be based on thorough scientific evidence.
"This does not undermine the fact that several people felt unwell," Della Sala explained. "However, before postulating questionable new syndromes, it may prove fruitful to analyze the data for what they tell us, exempt from political prejudices and pressure."

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Dr. Robert Baloh, a professor of neurology at the David Geffen School of Medicine at UCLA, said the idea that a sonic weapon caused selective brain or inner ear damage "is not physically possible." Though the microwave weapon theory is speculative, "8 of the 21 initial 'victims' in Cuba actually recorded the sounds as they were occurring and expert analysis of the sound concluded that they were crickets. The simple fact that they were able to record the sounds rules out microwaves as the source," Baloh says.



https://www.salon.com/2021/10/21/scientists-are-skeptical-that-havana-syndrome-is-anything-more-than-a-psychogenic-illness/