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The horizontal fraction bar was introduced by the Arabs.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
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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.