Maâthermes: Spa Treatment for Overweight and Obesity

"Drug: spa treatment soon after randomization :~Spa treatment of 18 days. Spa treatment : the most adapted to the concerned pathology and common to all of spa resorts (mineral water drinking, bath with automatic air (bubble bathing), mud body wrapping, manual massages, water exercises ;~* nutritional counseling (french nutritional recommendations booklet) ;~* caloric restriction and physical training on demand (non mandatory)."

"Drug: General practitioner (GP) counselling After randomisation Verbal and/or written advice based on the French national guidelines for a healthy life style brochure (given to the patient by the GP at baseline)"