London 2012 Live Blog
A glimpse at the state-of-the-art Olympic doping laboratory
The World Anti-Doping Agency (WADA) says they fear as many as one in 10 athletes will be cheating at the Olympic Games.
Al Jazeera’s Lee Wellings has been investigating the fight against Olympic drug cheats at a laboratory in Harlow, London. One hundred and fifty scientists will process over 400 samples a day in an exercise costing $30 million dollars.