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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Thyroid conditions may make getting pregnant impossible.
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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