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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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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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The average adult has about 21 square feet of skin.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.