A. At present, the diagnosis of diabetes or prediabetes is based in an arbitrary cut-off point for a normal blood sugar level. A normal sugar level is currently considered to be less than 100 mg/dL when fasting and less than 140 mg/dL two hours after eating.But in most healthy people, sugar levels are even lower.uring the day, blood glucose levels tend to be at their lowest just before meals. For most people without diabetes, blood sugar levels before meals hover around 70 to 80 mg/dL. In some, 60 is normal; in others, 90.
Eating a diet that is rich in whole grains, fruits, vegetables and low-fat dairy products and skimps on saturated fat and cholesterol can lower your blood pressure by up to 14 mm Hg. This eating plan is known as the Dietary Approaches to Stop Hypertension (DASH) diet.
Starchy vegetables, such as potatoes and sweet potatoes, are high in potassium and low in sodium. A high-potassium, low-sodium diet may help lower your blood pressure, and healthy adults should have at least 4,700 milligrams potassium and no more than 2,300 milligrams sodium per day.igh-fiber fruits may help lower your blood pressure. Photo Credit Stockbyte/Stockbyte/Getty Images. High blood pressure increases your risk for heart disease and stroke, but you may be able to lower your blood pressure by improving your diet.