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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.
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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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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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There are 20 feet of blood vessels in each square inch of human skin.