Effects of Replacing Diet Beverages With Water on Weight Maintenance of Type 2 Diabetic Obese Women: 18 Months Follow up

Inclusion Criteria: * Diabetic female patient with 6.5\<H1AC\<7.2. * Monotherapy with Metformin. * 18-45 years of age. * Body mass index (BMI) between 27-35 kg/ m². * Consume DBs regularly during their habitual diet. * Must be able to have moderate exercise. * Must be interested to have weight loss. Exclusion Criteria: * Participating in a research project involving weight loss or physical activity in the previous six months. * Pregnancy or lactation during the previous 6 months, or planned pregnancy in the next six months. * Taking medication that could affect metabolism or change body weight. * Report heart problems, chest pain, and cancer within the last five years. * Unwilling to change intake of beverages during the study period.