Nearly half of adults in the United States (47%, or 116 million) have high blood pressure, increasing their risk of severe medical conditions like kidney disease, heart disease, eye damage, and stroke. Despite these risks, only about 1 out of every 4 people with high blood pressure have their condition under control. This may sound scary, but NKF is here to help you start taking control of your blood pressure today. Read more from the National Kidney Foundation.