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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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There are 60,000 miles of blood vessels in every adult human.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.