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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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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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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.