The world's first full-body transplant - in which someone's head would be sewn on to a donor body - could take place in just two years, according to a controversial surgeon.
Sergio Canavero, of the Turin Advanced Neuromodulation Group in Italy, believes the technique could save the lives of people riddled with cancer or whose nerves and muscles have wasted away, the New Scientist magazine reported.
The operation was done on a monkey with limited success in 1970. The spinal cord wasn't joined so the animal couldn't move and it lived nine days until the head was rejected by the body's immune system.
However, Canavero said: "I think we are now at a point when the technical aspects are all feasible.