Dietetics is the science of how food and nutrition affect health. It involves the study of dietary practices and the role of nutrients in the body. Dietitians use this knowledge to help individuals make informed food choices that promote overall well-being and prevent diseases. Professionals in dietetics often work in various settings, including hospitals, schools, and community health programs. They assess dietary needs, create personalized meal plans, and provide education on nutrition. Their goal is to support healthy eating habits and improve the quality of life for their clients.