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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 familiar sounds of your heart are made by the heart's valves as they open and close.
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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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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).
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.