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There are approximately 3 million unintended pregnancies in the United States each year.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Asthma cases in Americans are about 75% higher today than they were in 1980.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
The horizontal fraction bar was introduced by the Arabs.
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