[Beestie]

Here is a 2019 study that supports the claims of actual injury:

https://jamanetwork.com/journals/jama/fullarticle/2738552

[why_at]

I am not very knowledgeable about this topic, but in my cursory reading of wikipedia I see that there's been some criticism of this study:

https://en.wikipedia.org/wiki/Havana_syndrome#University_of_...