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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.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.