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Did you know?
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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People about to have surgery must tell their health care providers about all supplements they take.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.