There are several different types of dieticians in practice. These include community dieticians, clinical, dieticians, management dieticians, consultant dieticians, and sports dieticians.

Probably the US Registered Dieticians Association

math is used for dieticians because they need to add what their patients has been inhaling and how many carbs, calories, and grams of fat that your patients are inhaling.

They work in hospitals, clinics, and a docter office

they can harm if in large doses