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Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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

The greatest bone mass is found around age 30 for both men and women, with the later decline being f The greatest bone mass is found around age 30 for both men and women, with the later decline being f
This chart shows the various lines of responsibility and how they differ in presidential and parliam This chart shows the various lines of responsibility and how they differ in presidential and parliam
In The Gross Clinic (1875), by Thomas Eakins, Professor Samuel Gross’s team of surgeons cuts through In The Gross Clinic (1875), by Thomas Eakins, Professor Samuel Gross’s team of surgeons cuts through
Calcium metabolism in osteoporosis: (a) bone deposition equals bone resorption; (b) bone resorption ... Calcium metabolism in osteoporosis: (a) bone deposition equals bone resorption; (b) bone resorption ...
Lines of the lateral thorax Lines of the lateral thorax
The Tendons Are the Bands of Tissue That Connect Muscle to Bone The Tendons Are the Bands of Tissue That Connect Muscle to Bone
Video: Sex-Linked Traits! How are eye colors inherited in fruit flies?

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