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Did you know?
According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.