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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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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Because the leg muscles of children with muscular dystrophy are weak, they must perform the Gowers’ Because the leg muscles of children with muscular dystrophy are weak, they must perform the Gowers’
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Video: DNA Replication

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