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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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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

tongue states tongue states
Countries of Origin of Unauthorized Immigrants to the United States Countries of Origin of Unauthorized Immigrants to the United States
The Location and Number of Farms in the United States, 2012 The Location and Number of Farms in the United States, 2012
Income Distribution in the United States, 2009 Income Distribution in the United States, 2009
Agricultural Land as a Fraction of Total Wealth in the United Kingdom Agricultural Land as a Fraction of Total Wealth in the United Kingdom
Fraction of obese individuals by state in 1998 and 2008. In 1998, 42 states had obesity rates below Fraction of obese individuals by state in 1998 and 2008. In 1998, 42 states had obesity rates below
Video: Cardiac Cycle (Part 2 of 4)

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