That's the story of Susannah Cahalan. She tell us her remarkable story in her memoir Brain on Fire: My Month of Madness .
My conversation with Susannah Cahalan:
Click here to listen on your iphone or ipad
"To discover to the world something which deeply concerns it, and of which it was previously ignorant; to prove to it that it had been mistaken on some vital point of temporal or spiritual interest, is as important a service as a human being can render to his fellow creatures..." John Stuart Mill, "On Liberty"