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

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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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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.

Cardiovascular ¬system. Cardiovascular ¬system.
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Video: Import of Dietary Glucose from Intestines to Bloodstream

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