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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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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.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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The familiar sounds of your heart are made by the heart's valves as they open and close.