Hypertension is called "the silent killer" because
a. it kills people while they sleep
b. there is no treatment for it
c. it generally has no symptoms
d. if affects the voice box first

The correct answer is C Hypertension is called the silent killer because it generally has no symptoms, until after it has done significant damage to the heart and arteries. In America alone, 20 % of the population have high blood pressure and they are not even aware that they have it and therefore do not know when they are at risk for heart attack, stroke, heart failure, kidney disease and eye disease. Hypertension can also lead to dementia if left untreated for long.