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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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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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Illicit drug use costs the United States approximately $181 billion every year.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.