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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
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The horizontal fraction bar was introduced by the Arabs.
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Blood is approximately twice as thick as water because of the cells and other components found in it.