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There are more bacteria in your mouth than there are people in the world.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Excessive alcohol use costs the country approximately $235 billion every year.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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.
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