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Your heart beats over 36 million times a year.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
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Everyone has one nostril that is larger than the other.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.