As part of its “medical mysteries” series, the Today Show on Friday aired a segment about Susannah Cahalan, a young New York woman who woke up one day with her left side feeling numb. By nightfall, she had become — as her father, Thomas, later put it — “totally psychotic.”
Susannah would begin “crying hysterically” and then “become giddy.” She was taken to the NYU medical center but doctors there didn’t have a clue why she was acting so oddly. Several times, Susannah tried to escape, and her father said she was “hallucinating.”
Susannah stayed in the hospital a month and a specialist finally diagnosed her as suffering from a rare auto-immune problem called ANTI-NMDAR Encephalitis. Here’s a link to the story