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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.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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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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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Gram-positive and Gram-negative bacteria. Gram-positive and Gram-negative bacteria.
coagulase negative Staphylococcus on Blood agar coagulase negative Staphylococcus on Blood agar
The fact that a mother works outside the home has no negative effect on the well-being of her child ... The fact that a mother works outside the home has no negative effect on the well-being of her child ...
Gram-stained cervical smear. Note the gram-negative diplococci Neisseria gonorrhoeae ... Gram-stained cervical smear. Note the gram-negative diplococci Neisseria gonorrhoeae ...
A Negative Afterimage A Negative Afterimage
Negative Feedback and Temperature Control Negative Feedback and Temperature Control
Video: Second Messengers in the Inositol-lipid Signaling Pathway

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