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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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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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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.