High blood pressure

High blood pressure ( also known as hypertension) is a situation where the heart is forced to pump blood against high resistance. Occasionally, a raise in systolic blood pressure occur as a result of events like physical exertion or even emotional upset, such as fear or anger. 

However, persistent or chronic hypertension is a disease that indicates increased resistance to blood flow. A person is said to have chronic hypertension if the blood pressure is higher than 140 mm Hg. Hypertension normally present painless symptoms and often leads to life threatening problems.

Hypertension is common in obese (fat) people than thinner people. In obese people, the heart is forced to pump blood against increased pressure due to the narrowing of the lumen. Persistent strain on the lumen will cause it to become weak.
High blood pressure may damage arteries, causing them to thicken, thereby reducing their lumen diameter. This can eventually lead to heart attack or heart failure, stroke and kidney failure.

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