Around 40 million people around the world have bipolar disorder, which involves cyclical swings between moods: from depression to mania. Kay Redfield Jamison) is one of those people. She's also a professor of psychiatry at the Johns Hopkins School of Medicine and has written extensively about the topic, from medical textbooks to personal memoirs. Today on *Short Wave, *she joins us to talk about the diagnosis process, treating and managing bipolar disorder. *Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at plus.npr.org/shortwave).Got a question about mental health? Let us know at [email protected]). *Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)