There is no vaccine against the common cold because
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Card 7
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Which of these is one reason why drug development is so expensive
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Card 8
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Antibiotics are effective against
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Card 9
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Which of the following factors could increase the risk of heart disease The number of cigarettes smoked , The increased cost of cigarettes , Avertising the risk of smoking and heart disease
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Card 10
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A common risk factor for heart disease is
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Card 11
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Which of the following words means keeping a constant internal environment Homeopathy, Homeostasis, Homologous