Abnormal blood pressure may lead to chronic health issues. High blood pressure can lead to memory loss, personality Memory loss, personality changes, trouble in concentrating, stroke, severe damage to your body's main artery (aortic dissection), chest pain, heart attack, Suddenly damaged pumping of the heart, leading to fluid support in the lungs resulting in shortness of breath (pulmonary oedema), sudden loss of kidney function, complications in pregnancy, blindness and so on. Low blood pressure also results in lack of concentration, blurred vision, depression, rapid & shallow breathing etc.