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The average office desk has 400 times more bacteria on it than a toilet.
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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.