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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.