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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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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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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
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The average office desk has 400 times more bacteria on it than a toilet.
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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.