Serena Williams has questioned the fairness of being drug-tested more than other top players in 2018.
By using her public profile to suggest bias in drug-testing, Williams is calling into question the integrity of those tasked with the role of monitoring 'clean sport'.
Olympian Bradley Wiggins.
Doping controversy around British cycling and athletics is the latest sign that sports authorities need to do something drastic.
The Team Sky boss is due to give evidence to MP's at parliament. Here's what they should ask him.
Young footballers dream of places far away and are ready to migrate at all costs.
What do the concepts like 'cheating' and 'performance enhancing' mean to young African footballers?
A new Russian hack has claimed to reveal the details of so-called therapeutic use exemptions. But could transparency in this area be a benchmark for the fight against drugs in sport?
Higher, faster, stronger.
Only a better understanding of what drives doping can improve enforcement. To do so, we must break with the perception of doping as an individual or moral problem.
It’s grossly unfair to hold Russian athletes responsible for the mistakes of regulatory authorities.
The International Olympic Committee will allow Russians wanting to compete in the Rio 2016 Olympics the chance to do so if they can prove they're clean to their sports federation.
The IOC must act, probably by banning Russia for being non-complaint with the international anti-doping regime.
Where Russia broke the cardinal rule of doping – don’t get caught – the anti-doping regime has broken a cardinal rule of nature: don’t poke the Russian Bear.
Kenyan athletes exercise in the early morning near a high-altitude training camp.
With weeks to go before the Olympics, it's unlikely Kenya will be sanctioned over fresh doping claims. No matter what happens, a shadow will be cast over the integrity of the country's athletes.
Using our heads. New ways to battle doping in Olympic year.
The ban on Russian athletes at the Rio Olympics feels like a victory, but it masks an insular system which is spread too thin.
Sebastian Coe, president of the International Association of Athletics Federations, which has upheld its ban on Russian athletes competing internationally.
The International Association of Athletics Federations has upheld its ban on the Russian Athletic Federation from competing in the Rio 2016 Olympics.
On their knees. Scrutiny and stigma for athletes has ramped up.
The history of the fight against drug taking in sport shows us why we're in such a mess right now.
French authorities investigating.
There are days when you just want to think about buttercups and Jamie Vardy.
Simon Yates at start of the British Mens Road Race Cycling Championships, Abergavenny, 2014.
Asthma medication can cause trouble for athletes but why are some inhalers alright while others need permission to use?
Maria Sharapova’s fundamental skill is the same whether she takes the banned substance meldonium or an allowed natural enhancer such as beetroot extract.
We have an intuitive bias against "artificial" drugs in favour of "natural" drugs, but that distinction is not only false, it is dangerous.
Tennis star Maria Sharapova could be banned for two years following a positive drug test for a banned substance.
Overnight, Maria Sharapova called a press conference to announce she had tested positive for a banned substance (mildronate) during this year's Australian Open.
With the Court of Arbitration for Sport (CAS) ruling that Essendon footballers were knowingly guilty of doping in 2012, there have been spirited arguments for and against Jobe Watson retaining his medal…
The rebrand awaits.
Why Adidas pulled its sponsorship of the IAAF, the governing body of world athletics.
WADA chief Dick Pound speaks to journalists at the launch of the latest anti-doping report.
Fresh details about the findings of the World Anti Doping Authority raise questions about athletics chiefs.
Thirty-four current and former Essendon footballers have been suspended for 12 months for a doping offence.
Some might think the anti-doping principle of strict liability is too harsh. But the banned Essendon players unfortunately may be barking up the wrong tree if they think they are innocent victims.