Hypertension is a condition in which the force of the blood against the artery wall is too high. Hypertension is managed using lifestyle modification and antihypertensive medications. Hypertension is usually treated to achieve a blood pressure of below 140/90 mmHg to 160/100 mmHg. According to one 2003 review reduction of the blood pressure by 5 mmHg can decrease the risk of stroke by 34% ischemic heart disease by 21% and reduce the likelihood of dementia heart failure and mortality from disease cardiovascular.