What is a Peptic Ulcer and what causes it?

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A It is a liver disease caused by a virus.
B It is a stomach wound caused by the bacterium Helicobacter pylori.
C It is a lung infection caused by a fungus.
D It is an eye infection caused by malnutrition.

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Answer: B. It is a stomach wound caused by the bacterium Helicobacter pylori.

Answer: B
Explanation: Peptic ulcers, which cause acidity and bleeding in the stomach, were previously thought to be caused by stress and diet. Scientists discovered they are actually caused by the bacterium Helicobacter pylori.

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What is a Peptic Ulcer and what causes it?

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