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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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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 average office desk has 400 times more bacteria on it than a toilet.
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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.