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Asthma cases in Americans are about 75% higher today than they were in 1980.
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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.