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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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The human body produces and destroys 15 million blood cells every second.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.