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Did you know?
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
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There are more bacteria in your mouth than there are people in the world.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.