How do narrowed blood vessels cause high blood pressure?
Narrowed blood vessels leave a smaller opening for blood to flow through. Having narrowed blood vessels is like turning on a garden hose and holding your thumb over the opening. The smaller opening makes the water shoot out with more pressure. In the same way, narrowed blood vessels lead to high blood pressure. Other factors, such as kidney problems and being overweight, also can lead to high blood pressure. Many people with diabetes also have high blood pressure. If you have heart, eye, or kidney problems from diabetes, high blood pressure can make them worse. A smaller opening in a garden hose makes the water pressure higher. In the same way, clogged blood vessels lead to high blood pressure. You will see your blood pressure written with two numbers separated by a slash. For example, your reading might be 120/70, said as “120 over 70.” For people with diabetes, the target is to keep the first number below 130 and the second number below 80. If you have high blood pressure, ask your d
