Miichael Palin experiments with a traditional Russian health therapy in Estonian capital Tallinn by allowing a doctor to cover him in sucking leeches. Fascinating video that is definitely not for the faint hearted! Taken from BBC travel documentary, Palin's New Europe.
In modern medicine, however, leeches are used in reconstructive surgery to provide a vacuum effect that helps stimulate blood circulation. This process is crucial to help kick start blood flow into, for example, a reattached finger.