In 1864, the first barbiturate (barbituric acid) was synthesized.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
