Dietetics involves the application of food and nutrition principles to health. Responsibilities for the profession include planning food and nutrition programs, supervising meal preparation as well as serving of meals. Dietetics is one of the fastest growing health professions with many career possibilities. Most dietitians work in medical and healthcare settings. However, others practice in sports or nutrition industries, academia, corporate wellness programs, journalism, research facilities, correctional facilities or weight management clinics. Whichever sector a dietitian may be involved in, the goal remains to enhance the health and wellbeing of individuals through the promotion of healthy eating habits. By recommending dietary modifications, dietitians also play a vital role in preventing and treating illness.