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Cyanide works by making the human body unable to use oxygen.

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Medication errors are more common among seriously ill patients than with those with minor conditions.

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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

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