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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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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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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.