: Dietitians and nutritionists plan, prepare, and serve meals in clinics, schools, nursing homes, and hospitals. They help prevent and treat illnesses by teaching clients to eat properly. Some specialize in helping overweight or critically ill patients, or in caring for kidney or diabetic patients. Those supervising kitchen workers may be on their feet most of the day in a hot, steamy kitchen. Some are self-employed and act as consultants.
Bureau of Labor Statistics, U.S. Department of Labor, Occupational Outlook Handbook, 2008-09 Edition at http://www.bls.gov/OCO/