Rita is a registered dietician. what does her work entail?

If Rita is a dietician who is registered, the majority of her job duties include writing individualized meal plans for people who come to her office. She most likely receives peoples with different types of illnesses or issues which need help in the form of a better diet. That is why Rita is there for. She provides them with the best uess on what should their individualized diet look like for their condition. 

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Carbohydrates,fats and proteins