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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 Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Excessive alcohol use costs the country approximately $235 billion every year.
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.