Registered Dietitian Nutritionists (RDNs) provide medical nutrition therapy, assess patients' nutritional needs, develop and implement nutrition programs, and counsel individuals and groups on healthy eating habits. They often work in hospitals, clinics, private practices, and community health centers. RDNs must pass a national exam and maintain continuing education credits.

• Key Skills: Nutrition assessment, medical nutrition therapy, counseling, communication, and program development.
• Job Outlook: Excellent, with increasing demand for nutrition services in healthcare and wellness.