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Author Question: What are the two choral styles found in traditional Arabic music and how are they different? ... (Read 41 times) |
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.
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.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.