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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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People about to have surgery must tell their health care providers about all supplements they take.

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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

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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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