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How do drugs know where to go in the body? A pharmaceutical scientist explains why some medications are swallowed while others are injected

  • Written by Tom Anchordoquy, Professor of Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus
imageWhile pills come in many shapes and sizes, they all eventually reach your bloodstream and travel throughout your body.Vadim Sazhniev/iStock via Getty Images

When you take aspirin for a headache, how does the aspirin know to travel to your head and alleviate the pain?

The short answer is, it doesn’t: Molecules can’t transport themselves...

Read more: How do drugs know where to go in the body? A pharmaceutical scientist explains why some...

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