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There are more bacteria in your mouth than there are people in the world.
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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%