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Did you know?
The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.
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The average adult has about 21 square feet of skin.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.