It looks like we're going to see a reshuffle of the final podiums from Beijing and London over the coming weeks.

According to studies, three to four percent of high school pupils have tried some form of performance enhancing drug (PED).

Drugs aren't the only controversial thing about the Olympics. The doping debate surrounding the 2014 Olympic Games also relates to use of technology in sport.

David Cowan, the man leading the anti-doping program for the Olympics, noted the London games will be the “riskiest” ever for drug cheats. Read on to find out about all the new tests.