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Did you know?
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.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.