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Illicit drug use costs the United States approximately $181 billion every year.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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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 most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.