Unclear on the concept

Britain's National Health Service acknowledged in November that, because of a shortage of healthy lungs and other organs available for transplant, it was offering those on waiting lists the option of receiving them from former smokers, drug addicts, cancer patients and the elderly. "You have to say," said an official with the NHS's Blood and Transplant unit, "do you get a lung with more risk, or do you get no lung (at all)?"