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

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Blood is approximately twice as thick as water because of the cells and other components found in it.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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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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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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