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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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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 first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.