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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
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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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The average office desk has 400 times more bacteria on it than a toilet.