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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.