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There are more bacteria in your mouth than there are people in the world.
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Thyroid conditions may make getting pregnant impossible.
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