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There are approximately 3 million unintended pregnancies in the United States each year.
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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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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.