human
My doctor says I have high blood pressure. What is it and what can I do to prevent it?
assistant
High blood pressure, or hypertension, is a condition in which the blood vessels are too narrow, causing the heart to work harder to pump blood through them. It is often called the silent killer because it can lead to serious health problems such as stroke, heart attack, kidney disease, and vision loss if not treated. To prevent high blood pressure, you should eat a healthy diet rich in fruits, vegetables, whole grains, and low-fat dairy products; exercise regularly; maintain a healthy weight; limit salt intake; and manage stress.