Question: Woke up 2 weeks ago not able to one can diagnosis problem

Hello. My brother woke up about 2weeks ago and was not able to speak or actually say what he was thinking…….Went to the the ER had a CT scan, MRI, and blood work done and which all came back normal. Since then he has been having headaches and not acting himself. This morning he had another episode, was not acting himself. Once at the ER he was combative, they gave him meds now he is asleep in the hospital. Really worried! no one can seem to diagnose him. he is a 34yr male, white, 5’8 160lbs, smokes, no allergies. No medical history. Live in NC, US. Please help!

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