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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%