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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.
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There are 60,000 miles of blood vessels in every adult human.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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The horizontal fraction bar was introduced by the Arabs.