Patrick Kennedy writes book about his mental health struggles

Former RI Congressman Patrick Kennedy

Former Rhode Island Congressman Patrick Kennedy is writing a book about his struggles with addiction and mental illness.

Kennedy, the son of longtime Massachusetts Sen. Edward Kennedy, served in Congress for eight terms before stepping down in 2011.

His book, called "A Common Struggle", will focus on his bipolar disorder as well as his battle with prescription drug addiction.

The book will be published next year.

Kennedy is now married with two young children and lives in New Jersey.