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Author Question: In an electroencephalogram (EEG), researchers __________. A) use a tunnel-shaped apparatus that ... (Read 23 times) |
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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.
Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.