An individual diet of a person can sometimes play a serious role in the ailments/diseases he undergoes. It is the dietician's role to ensure that the person receives a proper advice about nutrition and the way in which foods can be a major contributing factor in his diseases. Nutritional therapists use a wide range of tools to assess a person's nutritional imbalances and charts down the diet therapy treatment. This approach allows them to address the nutritional balance of a person by working with them closely. Changes to a person's diet are immediately suggested if the dietitian finds the nutrition lacking for a common functioning. Rather than a regular common chart, nutrition counseling involves a person-to-person analysis and a chart is custom made as per each individual. The results of such diet therapy happen over a period of time and visible changes occur within months of undergoing such a treatment. Suddenly the person would be finding his body fit and healthy and he would be able to cope up with his day-to-day activities with ease. A nutritional therapist also works closely with medical professional and any changes to the person's symptoms are immediately shared with him and proper treatment imparted. Though a diet therapy is very useful, a diet therapist will agree that it can never be an alternative to the medical treatments. These are preventive measures put in place to stop an ailment from happening.