0 used to describe drugs that are taken illegally by someone who plays a sport to make them better at that sport:
The scanner sleep was also temporally removed from the next imaging period (ca. 24 h) so that sleep inertia effects were not a concern and performance-enhancing effects not likely.
Dangerous performance-enhancing substances have made their appearance in the field of leisure sports and gyms too.
There are good public health reasons, as well as the moral and ethical desire for genuine, fair competitions, for challenging the use of performance-enhancing drugs.
Concern has been expressed about the extent to which sport's governing bodies are consistent in how they enforce rules on performance-enhancing drugs.
However, we are focused on making sport free of performance-enhancing drugs.
That means that it would be impossible to make the supply of all substances regarded as performance-enhancing a criminal offence.
In addition, there needs to be consideration of the role of coaches and doctors in the supply of performance-enhancing drugs to athletes.
Such tests must distinguish between genuine medication and performance-enhancing drugs.
