Doctors are sometimes able to give people a warning before they develop full blown Diabetes. This is because blood tests, such as the A1C, can pinpoint individuals who have symptoms of pre diabetes and are at risk for developing the disease. People with pre diabetes should follow the same eating and lifestyle plans recommended to people who already have the disease. Regular exercise along with a healthy eating plan can help delay or even prevent the onset of full blown diabetes. Focus on whole grain products, fruits, vegetables, low fat dairy products and lean protein sources for your daily meals.