Diseases of the heart and cardiovascular system are the single greatest cause of morbidity and mortality among the world s aging and elderly population. And, hypertension is the most common cardiovascular disease. High blood pressure or hypertension afflicts as many as 73 million Americans and over one billion people worldwide. And 90% of hypertensive individuals have essential hypertension, which is defined as elevated blood pressure of unknown cause. This study focused on essential hypertension, which is prevalent among the aging and elderly population. Specifically, this study examined the...