Hypertension is called high blood pressure. Condition in which the arterial blood pressure or fluid pressure of blood in the arteries is higher that normal. High blood pressure is the largest factor of sickness and death. Hypertension is a risk of stroke, heart attack, and kidney and heart failure, unless the blood pressure can be brought under control. Hypertension affects 10 to 20 percent of the population. It is more common in black females of the sexes. It's a common disorder that is known has cardiovascular. Most risk for this disorder is increased by obesity, high serum sodium, hypercholesterolemia and the family history of sodium level. There is a second cause of hpercholesterolemia that includes sleep apnea, chronic kidney disease,