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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.
To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.