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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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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Absorption of ultraviolet light by aromatic amino acids Absorption of ultraviolet light by aromatic amino acids
Amino acids chart Amino acids chart
Acid-Reactive Salts Acid-Reactive Salts
Citric acid cycle intermediates Citric acid cycle intermediates
Structures of the ionized forms of some representative fatty acids (part 2) Structures of the ionized forms of some representative fatty acids (part 2)
Relationship between the number of amino acid substitutions Relationship between the number of amino acid substitutions
Video: Sister chromatids of a metaphase chromosome animation

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