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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.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.