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Vaccines prevent between 2.5 and 4 million deaths every year.
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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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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."