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Author Question: Unofficial crusades continued long after the official campaigns Indicate whether the statement is ... (Read 28 times) |
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.
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.