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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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