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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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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.
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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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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.