Illicit drug use costs the United States approximately $181 billion every year.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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The human body produces and destroys 15 million blood cells every second.
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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.
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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.
A very high-resolution texture of the planet Mars
Note the thickening of the intestinal wall and the erosion of the inner lining of the ileum, often s
Frozen human iPS cells
NADH acts as a reducing agent in several reactions