CIA officers in Havana, Cuba started having unexplained health issues in 2016, leading to symptoms like persistent piercing sounds, headaches, nausea, vertigo, trouble concentrating, and memory loss. The incidents, called Havana syndrome, have been recorded in several global locations. Many attribute the illness to stress but there are theories about it being a result of physical causes. Episodes of mass psychogenic illness have been observed across history, growing in cohesive and stressed social groups. There are also several cases of similar illness outbreaks among students at schools, with conditions being influenced by emotional stress and social networks. In the case of Havana syndrome, uncertainty continues to persist regarding the cause.
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Is Havana Syndrome Real? Here’s What History Can Tell Us
