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Excessive alcohol use costs the country approximately $235 billion every year.
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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.
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The longest a person has survived after a heart transplant is 24 years.
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Cyanide works by making the human body unable to use oxygen.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.