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Did you know?
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.