As molecular biology, biochemistry, and genetics advance, nutrition has become more focused on metabolism and metabolic pathways - biochemical steps through which substances inside us are transformed from one form to another. Nutrition also focuses on how disease conditions and problems can be prevented or reduced with a healthy diet. Dietetics is the science of how food and nutrition affects human health. The field of dietetics has a strong emphasis on public health.

Personalized diet plans. A dietitian's main goal is to help you improve your diet, Effective weight-loss or weight-gain routines. Whether you're trying to cut weight or put on some healthy muscle mass, a nutritionist can help you achieve your goals. Helps to manage and prevent chronic diseases.