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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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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).