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There are more nerve cells in one human brain than there are stars in the Milky Way.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
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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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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.