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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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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.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.