Mysterious disease is a neurological problem? If you are a victim of this disease, you have already suffered from nausea. At the same time there is a strong headache, the body becomes weak, there is a feeling of dizziness, the problem is to sleep. And this disease with neurological problems is a big problem, forgetfulness. Many people lose their hearing and many people forget. Since all of these events first occurred in Havana, the problem is called Havana Syndrome.