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

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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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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Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

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