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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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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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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.