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Did you know?
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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People about to have surgery must tell their health care providers about all supplements they take.
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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%