|
|
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.
Approximately 25% of all reported medication errors result from some kind of name confusion.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
![The underside of a male (top) and a female (bottom) individual of Pachygrapsus marmoratus, showing t](https://biology-forums.com/gallery/47/medium_27599_22_04_12_7_25_59.png)
![Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th](https://biology-forums.com/gallery/47/medium_334766_23_04_15_12_41_35_2148555.jpeg)