Which of the following is known as a silent killer?
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Low blood pressure
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High blood pressure
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Leukemia
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Diabetes
B
Correct answer
Explanation
High blood pressure (hypertension) is called the 'silent killer' because it typically has no symptoms until it causes serious damage to organs like the heart, brain, and kidneys. Millions of people have hypertension without knowing it. Low blood pressure (hypotension) is not typically lethal. Leukemia is blood cancer, and diabetes is an endocrine disorder - neither are called 'silent killers' in medical terminology.