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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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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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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.