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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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Illicit drug use costs the United States approximately $181 billion every year.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
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The familiar sounds of your heart are made by the heart's valves as they open and close.