First examination in the clinic: If the patient meets the inclusion criteria an in-depth information about the trial is given. If the patient wants to participate, the patient is issued a written statement of consent and is pre booked an appointment with a nurse At the first visit to the nurse: the consent form is signed, if wish for participation in the study is maintained the patient is randomized. The patient fill out questionnaires and a hair sample is taken. All patients are provided with information on weight loss from the Health Protection Agency advice about diet and exercise as above. Patients who are randomized to motivational interviews starts a course of interviews. Participant data is imported into a spreadsheet for later determination.