A leading medical official with Football's governing body – FIFA has warned that international footballers risk damaging their liver and kidneys by taking painkillers during tournaments. FIFA's Chief Medical Officer, Dr. Jiri Dvorak said that almost 40 per cent of the players of the World Cup in South Africa two years ago were using medication before every match. Dr. Dvorak said the abuse of painkillers is putting the careers and long-term health of international footballers in jeopardy. Ahead of Euro 2012, Dr. Dvorak has urged football to wake up to the problem.