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Vaccines prevent between 2.5 and 4 million deaths every year.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.