Sign up for the TODAY newsletter

You have successfully subscribed to the TODAY newsletter.

Subscribe now and get trending stories, celebrity news and all the best of TODAY.

TODAY

She went mad for a month

Jan. 15: Susannah Cahalan says she inexplicably lost her mind for a short period of time and has not received a proper diagnosis. TODAY’s Meredith Vieira and NBC’s chief medical editor Dr. Nancy Snyderman talk to her about the medical mystery

Best of TODAY

Play All