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Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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There are more bacteria in your mouth than there are people in the world.
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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.