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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Abundant cave art after about 30,000 years ago is evidence of the importance of symbolic behavior fo Abundant cave art after about 30,000 years ago is evidence of the importance of symbolic behavior fo
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Video: The Lac Operon in E. Coli

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