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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
People about to have surgery must tell their health care providers about all supplements they take.
There are 60,000 miles of blood vessels in every adult human.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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