As a 24 year old journalist in NYC, Susannah Cahalan was used to dealing with tough situations, but nothing could have prepared her for the life or death battle she was about to face with her own brain. In her month long hospital stay, doctors were unable to diagnose her illness, and she continued her descent into madness.  Finally, one doctor was able to diagnose her with a rare autoimmune disease anti-NMDA receptor encephalitis.

Read more about Susannah’s journey in her bestselling book, Brain On Fire: My Month of Madness.