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The average office desk has 400 times more bacteria on it than a toilet.
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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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The horizontal fraction bar was introduced by the Arabs.
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Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.
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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.