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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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The longest a person has survived after a heart transplant is 24 years.
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Excessive alcohol use costs the country approximately $235 billion every year.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.