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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
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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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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Illicit drug use costs the United States approximately $181 billion every year.
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There are 20 feet of blood vessels in each square inch of human skin.