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The horizontal fraction bar was introduced by the Arabs.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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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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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.