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Did you know?

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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Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

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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 should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Long-term studies of the Glanville fritillary butterfly, Melitaea cinxia, have provided exceptional Long-term studies of the Glanville fritillary butterfly, Melitaea cinxia, have provided exceptional
Diversity in the United States Diversity in the United States
Josiah Wedgwood, Queen's Ware dinner service (detail). Josiah Wedgwood, Queen's Ware dinner service (detail).
The cultural script in the United States is for males to be the initiators and females the ... The cultural script in the United States is for males to be the initiators and females the ...
Cohabitation in the United States Cohabitation in the United States
The malfunction indicator lamp might be labeled “service engine soon,” which can cause ... The malfunction indicator lamp might be labeled “service engine soon,” which can cause ...
Video: Wound Repair Animation

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