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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Cyanide works by making the human body unable to use oxygen.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
Common skin signs are often evidence of an illness or disorder. A crust is a dry, serous or ...
Common Types of Losses
Common Bacterial Pathogens
Prescriptions for common analgesics used in dentistry.