|
Author Question: Standard deviation is defined as the square root of the a. average of the deviations around the ... (Read 44 times) |
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
The average office desk has 400 times more bacteria on it than a toilet.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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.
Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.