The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
True-color image of layers of haze in Titan's atmosphere.
Which of the following statements is true of linkage?