"[In this book], [the author] upends her life one month at a time, using her own experiences to help you improve your health and enhance your life. [She] becomes both researcher and subject as she focuses on twelve separate challenges. Beginning with a new area of focus each month, she guides you through the struggles she faces, the benefits she experiences, and the science behind why each month's challenge--giving up alcohol, doing more push-ups, adopting an earlier bedtime, limiting technology--can lead to better health"--Provided by publisher.