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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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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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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).