Leech behind woman's ear
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Leeches 'catch on' in hospitals in Georgia

2 August 2011 Last updated at 06:18 BST

Leeches have apparently been rediscovered as a form of treatment, after being used in medicine for thousands of years.

By attaching themselves to the body, and sucking blood from a patient, they were thought to bring health benefits.

As they do not have the same side-effects as modern drugs, they are increasingly popular.

The BBC's Damien McGuinness reports from Georgia.