Strictly speaking, no, high blood pressure cannot directly kill you. However, high blood pressure left unmonitored can cause serious damage to your arteries, brain, kidneys, eyes, and heart. Blood pressure most commonly affects your heart which can lead to heart disease. Heart disease is the number one cause of death in the United States, killing over 610,000 people each year. For more information on the damage that high blood pressure can cause your body, check out Mayo Clinic’s article on high blood pressure dangers.