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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
Renal calculi (stones) can form in several areas within the urinary tract. When they form in the kid
Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort
James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex
A square matrix P is called a permutation matrix if each row and column of P contains exactly ...
A lesion called a plaque in the brain of an individual with Alzheimer disease. A ring of degeneratin
A commercially available DNA microarray, called a GeneChip, marketed by Affymetrix, Inc