The study of nutrition may focus on how to prepare healthy foods, which diets can cause diseases or how to store different kinds of foods. The study of how foods affect people can be beneficial for nutritionists, health bloggers or personal trainers.

Students who pursue pre-med coursework are training for their further education in the medical field. In addition to a focus on scientific studies such as biology and organic chemistry, this area of study generally lays the groundwork for many different careers in medicine.