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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.
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.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
![Sample of an informed consent to perform an operation, sedation, anesthesia, and other medical servi](https://biology-forums.com/gallery/47/medium_380792_21_05_16_1_59_43_23539746.jpeg)
![Drive-on ramps are dangerous to use. The wheels on the ground level must be chocked (blocked) to ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_57_18_294812011.png)