Part 1 of Essay
"" is the force with which your heart pumps blood through the body. Occasional increases in levels are not unusual. Hypertension is high . When heart beats (contracts and relaxes) it pumps out a certain volume of blood. The maximum arterial pressure, measured in mm Hg, determines the systolic reading and the lowest re ....

Part 2 of Essay
.... salt and other chemicals, weight, stress, alcohol, lack of exercise). The difference between primary and secondary hypertension is that we know the causes of secondary hypertension. Usually, the causes of secondary hypertension include renal artery stenosis (or other cause of increased plasma renin), renal parenchymal disease (glomerulonephritis, diabetic nephropathy, polycystic disease, obstructive uropathy), drugs (oral contraceptives, steroids), and increased levels of catecholamines (pheochromocytoma), ....