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Types of Hypertension
Hypertension is divided into primary and secondary categories. Hypertension is classified as primary when the causes are generally unknown. Primary hypertension is the most prevalent form of hypertension accounting for 90% of all cases of hypertension. Hypertension is classified as secondary when some other disease process or abnormality is causing it. Prominent among these are diseases of kidney, tumors of the adrenal glands, congenital narrowing of aorta and toxemias of pregnancy.
Risk Factors
Lack of physical activity, use of oral contraceptives, smoking, excessive consumption of alcohol, consumption of saturated fat, stress, obesity, age and hereditary are some important risk factors and causes for hypertension.
Signs and symptoms
Frequent headache, pounding of heart and shortness of breath after mild exercise, weakness, dizziness and occasional pain in the chest and left shoulder are indications of hypertension.
Complications
Hypertension increases the work load of heart, weakens the walls of blood vessels and accelerates the hardening of the arteries and the formation of fatty, atherosclerotic deposits inside the blood vessels.