[shyn]

A nice insight into why F1 or motorsports in general at the highest level of competition doesn't see any (or near as many) doping scandals as other sports.
Read on:

While other sports have become mired in doping scandals, Formula 1 has been drug-free territory for most of its history. Kate Walker explains why.

While doping in sport is serious business, every once in a while the stories verge on the ridiculous. For every competitive cyclist undergoing a full blood transfusion in their hotel room (perhaps not every, as there were quite a few&hellip, a club-level racing driver will face a ban for that well-known performance enhancing drug, marijuana.

A well-known performance enhancer in the field of competitive-eating, that is, but rather less efficacious when it comes to manoeuvring a two- or four-wheeled machine to high-speed victory.

The majority of weed-related driver bans have come about when trace elements of the drug are found following a urine test, and don't take into account the fact that traces of THC - the active ingredient in cannabis - can remain in the body for weeks, meaning that a failed drug test by no means guarantees that the racer in question was anything other than sober when behind the wheel.

Source: http://www.motorsport.com/f1/news/an...andals-666534/