Countless studies have found that dietary changes can control or prevent health conditions like heart disease or diabetes. Graduates in the field of dietetics can have a powerful impact on the healthcare system at large by using this knowledge to educate individuals on the importance of making good dietary choices.

Should an individual decide to gain additional certification that they are qualified in a field of study, they may decide to gain a postgraduate diploma. This type of diploma is attained after one has first completed a master's degree.