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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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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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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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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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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).