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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.