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Author Question: In the twentieth century the federal government began to take a much more active role in regulating ... (Read 33 times) |
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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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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Everyone has one nostril that is larger than the other.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.