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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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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Typical Organization of the CPT Manual Typical Organization of the CPT Manual
A diagrammatic section through a typical adult tooth. A diagrammatic section through a typical adult tooth.
Establishing a steady-state resting membrane potential. Establishing a steady-state resting membrane potential.
Phases of the myocardial action potential. Ion movements during each phase are shown. Phases of the myocardial action potential. Ion movements during each phase are shown.
A typical large tool box, showing just one of many drawers. A typical large tool box, showing just one of many drawers.
Coolant flow through a typical engine cooling system. Coolant flow through a typical engine cooling system.
Video: Structure of Amino Acid, Peptide Bonds & Polypeptides

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