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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.