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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
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Everyone has one nostril that is larger than the other.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.