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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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There are 20 feet of blood vessels in each square inch of human skin.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.