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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.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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.
![Thoracentesis. A needle is inserted between the ribs to withdraw fluid from the pleural sac at the b](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_14_27_84951238.jpeg)
![(A) Bronchopneumonia with localized pattern. (B) Lobar pneumonia with a diffuse pattern within the l](https://biology-forums.com/gallery/47/medium_14755_05_10_12_4_11_18_9269446.jpeg)