Dr. Jeremy Dean's book, Making Habits, Breaking Habits, explores the psychology behind habit formation, along with tips on how to implement lifestyle changes.

Forming a new habit is rarely easy. Just think about how many New Year's resolutions tend to fail.

Learning more about human psychology and decision making can help us better understand why we struggle so much with implementing change in the long run.

Psychologist, author, and founder of PsyBlog, Dr. Jeremy Dean, specializes in the behavior and psychology surrounding habit formation.

Dean's book, Making Habits, Breaking Habits, teaches readers about the anatomy of a habit, along with specific strategies that are useful in creating new habits or breaking old ones.

Dr. Dean draws upon extensive psychological research and everyday examples, to describe the reasons why we act the way we do and how we can change.