In 1973, British surgeons stopped doing heart transplants on Government advice. But this year there have been more of the controversial and expensive operations than ever before. Can we afford them? Michael Cockerell reports on why heart transplants are back in fashion and examines their true cost.

And for the first time, Dr Christiaan Barnard, the pioneer of heart transplants, talks about his new revolutionary operation to transplant a second heart alongside the patient's original one. He believes that British surgeons are using the wrong methods.