It causes more preventable deaths than any other disease. Blood pressure is the force that keeps your blood moving. Your heart pumps blood through the body by way of the blood vessels. As the blood flows, it presses against the inside walls of the blood vessels. This is blood pressure.
Blood pressure is measured at both times.
Generally, the younger you are, the lower your blood pressure should be. You can have high blood pressure if either the upper or lower is consistently high. If your blood pressure is too high at any time, check with your doctor. High blood pressure can damage your health. People with high blood pressure run three to seven times more risk of developing heart attacks, stroke, blindness and kidney failure than people with normal blood pressure.