About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
Graduating Picture
Big Picture of the Evolution of the Universe
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Similar-looking, related species that are native to distant geographic realms