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Asthma cases in Americans are about 75% higher today than they were in 1980.

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.

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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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There are 60,000 miles of blood vessels in every adult human.

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