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Did you know?
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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Everyone has one nostril that is larger than the other.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
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The familiar sounds of your heart are made by the heart's valves as they open and close.