Here is a timeline of the events surrounding USADA's procedures against retired American cyclist, Lance Armstrong.
The World Anti Doping Agency (WADA) is awaiting the International Cricket Council (ICC) to apply the controversial "whereabouts" clause, which has been opposed by the BCCI, in its Anti-Doping Code.
Simona Halep questioned the "big difference" in how doping cases are treated after world number two Iga Swiatek was handed a one-month drugs ban
The World Anti-Doping Agency (WADA) has suspended the accreditation of NDTL for six months in a massive blow to the country's anti-doping programme, the cost of which will rise significantly now.
Sinner's settlement brought plenty of criticism from both current and former players, with Serena Williams saying she would have been banned for 20 years and had her Grand Slam titles taken away had she tested positive in a similar fashion.
Jamaica has reportedly been warned by the World Anti-Doping Agency (WADA) that it risked expulsion from major competitions if it failed to address failings pointed out by a former senior employee.
Cricket could be part of the 2028 Olympics as the International Cricket Council is working towards getting the sport included in the roster for the Los Angeles Games.
Former Indian cricket captain Rahul Dravid favoured sportspersons signing the "whereabout" clause of anti-doping agency WADA as this would reduce chances of corrupt practices in the game.
Lance Armstrong and his team ran the most sophisticated doping programme in sport according to the United States Anti-Doping Agency (USDA) which released its report on the case against the US Postal cycling team on Wednesday.
India sprinter Dutee Chand has tested positive for prohibited anabolic steroids during an out-of-competition testing and has been provisionally suspended.
The National Anti-Doping Agency's refusal to test star boxer Vijender Singh for heroin has leftthe Sports Ministry flummoxed and it will wait for a written response from NADA before deciding its next move.
The World Anti-Doping Agency (WADA) has announced it will not appeal against the decision to ban American cyclist Lance Armstrong for life and strip him of his seven Tour de France titles.
Doping: India records highest number of adverse findings among countries with 2000 or more tests
The professional sports world was shocked last month when the U.S. Anti-Doping Agency reported that a new undetectable steroid -- THG -- had been created that allowed athletes to pass doping tests.
The World Anti-Doping Agency (WADA) has approved a $1.47 million increase in its expenditure budget for next year.
Mumbai FC's midfielder Nishant Mehra on Wecnesday tested positive for an in-competition prohibited substance -- tetrahydrocannabinol -- in the World Anti-Doping Agency (Wada) list. With this act he has gained the tag of being the first footballer in the history of the I-League to fail a dope test.
Andre Russell looks set to play in the World Twenty20 after the Jamaica Anti-Doping Commission said on Friday the West Indies all-rounder would not be suspended pending a hearing into his "anti-doping whereabouts" rule violation.
"Simona Halep, a 31-year-old Romanian tennis player, has been provisionally suspended under Article 7.12.1 of the 2022 Tennis Anti-Doping Programme (TADP)," the body said in a statement.
The six dope-tainted wrestlers who caused major embarrassment to the country with less than a month to go for the Commonwealth Games also failed their 'B' sample tests, conducted by National Anti-Doping Agency. The 'A' samples of the six wrestlers, taken by NADA at the Commonwealth Games trials, had tested positive for stimulant methylhexanamine, which was added as a banned substance only this year by the World Anti-Doping Agency.
Serena Williams has re-entered the tennis anti-doping testing pool but the 23-times Grand Slam champion denied on Tuesday that the move had anything to do with her making a return to the sport she dominated for nearly two decades.
Repeat offenders Shailaja Pujari and Vicky Butta were slapped with life bans, while four others were barred for four years as the International Weightlifting Federation cracked the whip on Indian dope cheats.
Furosemide, a prohibited substance under the World Anti-Doping Agency Code was found in Hamza's sample
Tainted lifters Shailaja Pujari and Vicky Batta failed dope tests again and face life bans, the Indian Weightlifting Federation (IWF) confirmed on Monday. IWF secretary B R Gulati said woman lifter Shailaja (75kg) and her male counterpart Vicky (56kg) tested positive for banned substances during random testing.
The doping menace in India's Olympic sport has always left the establishment embarrassed and the BCCI in a marked departure has set up an anti-doping helpline so that its domestic cricketers (men and women) are aware of the medicines and supplements they are consuming.
The World Anti-Doping Agency has appointed former war crimes investigator Peter Nicholson to help troubled Russian Anti-Doping Agency (RUSADA) overhaul its anti-doping program.
'The ITIA accepts that the player did not intend to cheat, that his violation was inadvertent and unintentional, and that he bears no significant fault or negligence for it.'
Jannik Sinner set his sights on mastering clay and grass courts to make himself a complete player
Over 30 per cent of athletes who competed at the 2011 world championships admitted to having used banned substances in the past, according to a World Anti-Doping Agency-commissioned study released on Tuesday.
PCB appeals committee had lifted the bans imposed on Akhtar and Asif saying the pacemen did not take the banned drug 'intentionally'.
WADA is at the heart of the biggest doping scandal in years after three Russian whistleblowers went to the media and exposed a massive systematic doping scheme in the country across many sports and involving more than 1,000 athletes.
Although the change will have no immediate effect on current bans on the Russian federations for athletics, weightlifting and paralympics, it opens the door for their return, following the reinstatement of the Russian Olympic Committee after the country was banned from this year's Winter Games in South Korea.
RUSADA said it disagreed with the World Anti-Doping Agency's (WADA) sanctions
Athletics continued to be India's achilles' heel in its anti-doping campaign, accounting for 21 of the 71 positive tests recorded by the National Anti-Doping Agency in the last one year, according to the latest WADA report.
Sangwan, 26, won the silver medal in 2017 Asian championship and made the World championship quarter-finals in 2016.
The WADA first suspended NDTL in August last year for a period of six months. A fresh round of inspection by the world body, much to the embarrassment of country's sporting establishment, showed that non-conformities still existed.
The National Anti-Doping Agency's Disciplinary Panel (ADDP) on Monday revoked the provisional suspension imposed on Bajrang Punia till NADA issues a Notice of Charge to the wrestler, who had refused to provide his sample for dope test after the selection trials in March.
Sinner's ban began on February 9 and will end on May 4 while he can return to training on April 13. The French Open main draw is scheduled to begin on May 25.
There are now new questions that some athletes, whose bans prevented them from competing in the Tokyo Olympics, will have the opportunity to do so due to the change in dates.