These additional health theories are essential for understanding how people think about and make changes in their lives. Whether people think about it or not, when making a change to one’s health behaviors, they will go through all the numerated stages. It is important to understand these stages in public health so that we as public health professionals can promote making healthy changes and understand how the general population will go through change. Stage based theories in general are important because they can categorize individual’s actions and help predict what may come next. Knowing where someone stands in the stages can allow health professionals to determine where someone may be both mentally and physically in making a specific health change.