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Did you know?
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.