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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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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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

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