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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 sensory neurons in the tongue than in any other part of the body.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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Excessive alcohol use costs the country approximately $235 billion every year.