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Vaccines prevent between 2.5 and 4 million deaths every 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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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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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.