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Author Question: Which of the following has emerged as one of the most pressing challenges of the early 21st century? (Read 195 times) |
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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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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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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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There are more nerve cells in one human brain than there are stars in the Milky Way.