Did you know?
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.
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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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.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
Did you know?
The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.
Analogy for How Magnetic Field Strengths Increase
A typical camshaft-driven high-pressure pump used to increase fuel pressure to 2,000 PSI or higher.
Identifying the Causes of Climate Change
Climate change occurs over millions of years
Climate Change: Volcanoes
If a graph has the following x-intercepts, which value of x is the instantaneous rate of change ...