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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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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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The human body produces and destroys 15 million blood cells every second.