A dietitian is a professional who is qualified in the area of nutrition. Their job is to educate and help people to get and maintain a healthy balanced diet into their lives. Certain people who have specific health issues also need specific specialized diets so they would see a dietitian too for information and help.
Well you can cancel a few out... cook - no, I mean you're just cooking you may not know a lot about nutrition epidemiologist - they determine diseases and such, so no. Dietitian - Yes, expert in nutrition Health Educator - I mean maybe, but they may not know anything about nutrition
