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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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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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Human kidneys will clean about 1 million gallons of blood in an average lifetime.