Doping controversy around British cycling and athletics is the latest sign that sports authorities need to do something drastic.
Athletes have, on occasion, mounted successful defences of sabotage in doping cases.
Doping scandals have dominated the build-up to the 2018 Pyeongchang Olympics.
The Olympics have been plagued by doping, corruption and political problems. But academic and former Olympian Bruce Kidd says the Olympic Games are still an important humanitarian movement.
A delicate truce between North and South Korea has been reached in the run up to the Winter Olympics. It's a high profile win for an event which is struggling to remain relevant.
The Therapeutic Use Exemption system of banned medicines in sport creates more problems than it solves, is open to abuse and is simply unfair.
The ban on Russia competing in the 2018 Winter Olympics is unique: it is directly linked to the country’s lack of sporting integrity.
There are concerns that performance-enhancing drug use is quickly becoming a public health crisis.
The US sprinter, twice banned after failed drug tests, felt the force of public opinion as he won the 100 metres final at the World Athletics Championship. But is it time to start trusting athletes?
A Victorian athlete's use of 'performance-enhancing' coca was met with interested approval rather than anger of the kind directed at Justin Gatlin.
Doping whistleblowers can face serious negative consequences including threats on their lives.
One of Bolt's 4 x 100m team mates has tested positive for a banned substance – costing Bolt one of his gold medals.
Understanding the populism of the Putin government is more urgent than ever as Russia plays a major geopolitical role in the Middle-Eastern balance.
From Sharapova to the Brownlee brothers, 2016 has given us one step forward to one step back.
The Team Sky boss is due to give evidence to MP's at parliament. Here's what they should ask him.
What do the concepts like 'cheating' and 'performance enhancing' mean to young African footballers?
Paralympians are being hailed as inspirational. This doesn't please everyone.
Extensive drug use was reported at the 1952 Helsinki Games, but it was the death of two athletes that finally galvanized international sporting authorities into taking action against doping.
Kenya's international success in track and field hides management inefficiencies and corruption that have frustrated athletes and fed a pipeline of runners willing to ditch the national flag
In sports, what's considered fair play has changed throughout history. At one point, even looking 'too poor' was grounds for exclusion.