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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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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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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.