Now this is a scary disease. Any suspicions to the cause? Poisoning? Directed EM fields? Common health threat we weren't aware of?
An attack with microwaves wouldn't be that new, I believe there were some occurrences.
I've read one report from CBC said that this is caused by using some kind of detergent, or sanitizer.
This video interviews people who have suffered under the 'Havana Syndrome'
https://www.nbcnews.com/politics/national-security/legal-fin...