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TA 2.2 Epidemiology Paper

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2.2 Epidemiology
Hypertension which is sometimes called high blood pressure is a medical condition manifested by a rise in the blood pressure in the arteries. It is described as a “silent killer” (WHO, 2013) because warning signs and symptoms are often lacking and most people may not even know that they are suffering from it. Globally, the burden of hypertension and other non-communicable diseases (NCDs) is rapidly increasing, and the African continent may be the most affected region in the world [3]. It is estimated that hypertension affects about 1 billion people all over the world accounting for approximately 7.1 million deaths per year (Chobanian, 2003) and it is the main risk factor for many other cardiovascular diseases (Psaty et al.,

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