|
|
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.
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.
The horizontal fraction bar was introduced by the Arabs.
Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
![Breast surgery. Surgical removal of all or part of the breast is a treatment against the spread of b](https://biology-forums.com/gallery/47/medium_14755_16_10_12_12_29_17_944650.jpeg)
![Tubal ligation. To minimize the size of the incisions necessary, laparoscopic surgery may be used to](https://biology-forums.com/gallery/47/medium_14755_16_10_12_12_29_17_94482387.jpeg)