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Did you know?
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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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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If you could remove all of your skin, it would weigh up to 5 pounds.