Why do wounds swell?

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Pinchas Goldberg

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Why do wounds swell?
« on: 08/05/2011 19:01:05 »
Pinchas Goldberg  asked the Naked Scientists:
   
Hi Chris
 
When someone is injured, the injured area of the body swells. This happens if one hurts an ankle or gets a bee-sting, or does almost anything to any part of the body. When treating (medically) the injured area, we have to get rid of the swelling before starting most treatments. What in the body causes swelling, and why does the body swell at the site of an injury? What benefit is swelling to the patient if we start all treatments with ice or medication to get rid of the swelling?

Thank you again for such interesting shows.
 
I look forward to hearing from you.
 
From Johannesburg
 
Yours
Pinchas Goldberg

What do you think?
« Last Edit: 08/05/2011 19:01:05 by _system »