The Austrian tested positive for the banned substance triamcinolon acetonid at Roland Garros.
BBC: Koubek claims he did not knowingly take banned substances
To top it all, in wartime, heavy whipping cream was a banned substance.
The Inter Milan striker tested positive for the banned substance Nandrolone after a league match against Udinese on 27 September.
Cyclist Alberto Contador, winner of the 2010 Tour de France, has said he has tested positive for a banned substance.
McCann insisted he had never taken a banned substance but said he did not have enough money to launch an appeal.
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Ezequiel Mosquera and his Xacobeo team-mate David Garcia Da Pena both tested positive for banned substance hydroxyethyl starch during the Vuelta.
The Australia leg-spinner was banned for 12 months from all international and first-class cricket after testing positive for a banned substance.
Kefu's rugby future was in doubt earlier this week after he took a banned substance prednisone to treat viral disorder Bell's Palsy.
"For me, if you get caught taking a banned substance, you don't take part in an Olympics or Paralympics ever again, " said Grey-Thompson.
The selectors have picked two spinners in Brad Hogg and Stuart MacGill, with Shane Warne serving a 12-month ban for taking a banned substance.
Coach Peter de Villiers fears the whole squad may have taken the banned substance and the team's energy drinks have been sent for testing.
The Italy skipper, 36, took a medicine containing banned substance cortisone after a wasp sting on 28 August and failed a dope test two days later.
The ATP has refused to comment on Greg Rusedski's positive test for the banned substance, but insists it will enforce any punishment meted out to the player.
As the Anti-Doping Agency of America (AADA) reported last year, Armstrong not only used banned substance himself but also acted a kingpin of a doping ring within cycling.
The appeal against the bail conditions also objected to the requirement that Pistorius refrain from using alcohol or any banned substance, even though he had no intention of doing so.
Biological profiles are built up by collating an athlete's drug test results over time, therefore making it easier to detect differences which could indicate the use of a banned substance.
Antidoping officials say the test was new at the time, so the threshold for triggering a positive result for the banned substance was set conservatively high, and would later be lowered.
Korda insists he has no idea how a banned substance got into his system but many players feel players failing drug tests should receive mandatory bans - a view supported by Rafter.
Its report also said Armstrong made a "financial agreement" to bury a positive test for a banned substance and accused the team of falsifying prescription records to cover corticosteroid use by Armstrong.
Stilnox, used to treat insomnia, is not considered a performance enhancer and is not a banned substance, but the Australian Olympic Committee (AOC) put it on the prohibited list ahead of the Games.
In a story featured on SI.com yesterday, Sports Illustrated is reporting that Ray Lewis requested products (specifically, deer-antler spray which contains an NFL banned substance called IGF-1) from a small health supplements company based in Alabama.
Schmidheiny, who has said he was exposed to the mineral while working in his early 20s hauling sacks as a shift foreman at Eternit in Brazil, began moving his group away from asbestos long before it was a banned substance.
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He lost it again to James Toney by unanimous decision in April 2005 but the result was rescinded after Toney tested positive for a banned substance and Ruiz retained the belt as the fight went down as a no contest, only for him to lose it for the final time to Nikolay Valuev eight months later.
Two Turkish chemists prescribed penicillin antibiotics without inquiring about any history of allergy, and one Egyptian pharmacy sold a cough suppressant containing oxeladine, a substance banned in many countries over fears that it might cause cancer.
The prawns are contaminated with a substance called nitrofurans - which was banned for use in food production by European countries in the mid-1990s but still used in some areas of south east Asia.
In April it became the first drug to be banned temporarily under new government powers, after which the substance was referred to the Advisory Council on the Misuse of Drugs (ACMD) to consider whether the ban should be made permanent.
BBC: "Legal highs" mexxy and black mamba banned by government
The new substance wasn't even on the IOC's list of banned drugs.
Dr Gerry McCann, a lecturer in sports medicine at the Centre for Exercise Science and Medicine at Glasgow University, said the list of banned substances was so comprehensive that it was highly unlikely that an athlete could take a legal substance, but register a positive result in a doping test.
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