|
|
For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
![Acute exacerbations of asthma can require management in the emergency department. The child is place](https://biology-forums.com/gallery/47/medium_14755_05_10_12_4_09_38_92591688.jpeg)
![There may become a driveability issue because the gasoline direct-injection injector is exposed to ...](https://biology-forums.com/gallery/30/medium_548020_31_05_17_1_51_46_30025178.png)
![Direct pressure to suboccipital muscles. Fingers press up into the cervical muscle attachments along ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_12_14_15_33010261.jpeg)