|
|
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
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.
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
![Where mangrove diversity is high, mangrove species show clear patterns of vertical zonation relative](https://biology-forums.com/gallery/47/medium_33_28_08_11_12_17_16_16021832.jpeg)
![Emanuel Leutze’s Washington Crossing the Delaware (1851) is riddled with historical inaccuracies, mo](https://biology-forums.com/gallery/47/medium_374628_16_08_15_9_46_08_22243215.jpeg)