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Author Question: Suppose a state decides to reduce tax credits for low-income workers in order to finance tax cuts ... (Read 31 times) |
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
There are approximately 3 million unintended pregnancies in the United States each year.
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 most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.