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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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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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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.