"Core nutrition" refers to the essential nutrients your body needs for life and health, such as carbohydrates, proteins, fats, vitamins, minerals, and water, while "core nutrition and dietetics" describes the scientific and practical field that studies these nutrients and their role in promoting health and managing diseases through diet, often as a specialized academic program or professional practice. A degree in the field prepares individuals for roles as dietitians or nutritionists in hospitals, clinics, public health, and the food industry.