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The longest a person has survived after a heart transplant is 24 years.
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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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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").