‘Circus freaks manipulated by international chemists’.

That was the prediction of what the landscape of international competition would look like, unless something was done to stop the use of performance enhancing drugs in sport. Thankfully, the outlook is not so bleak, but the issue of drug taking by some athletes continues to hit the papers and cause concern for a number of sporting authorities and regulators. This article will look at the origins of drug use in sport and how the increasing levels of sophistication in the masking techniques have evolved over time.