The BBC report said a third of medals in endurance events at the Olympics and world championships between 2001 and 2012 were won by athletes who have recorded "suspicious tests".
A day after wrestler Narsingh Yadav was exonerated of doping charges by the National Anti-doping Agency (NADA), its parent world body WADA said that it will review the case.
Five-times grand slam tennis champion Maria Sharapova hit out at some media accounts of her doping case that she termed "wrong" in an open letter to her fans on Facebook on Friday. Sharapova, who tested positive for the banned drug meldonium at the Australian Open in January, is facing a suspension of up to four years by the International Tennis Federation (ITF) and has already lost numerous sponsorships in the aftermath. The former world number one thanked her fans for their "tremendous outpouring of support" before launching into a critique of what she believed were some inaccurate reports. "A report said that I had been warned five times about the upcoming ban on the medicine I was taking. That is not true and it never happened," Sharapova wrote. The 28-year-old Russian said she was making no excuses for not knowing about the ban that went into effect on Jan. 1, but said that after the first announcement, other notices were "buried in newsletters, websites, or handouts." "Again, no excuses, but it's wrong to say I was warned five times," said Sharapova, who has said she took the drug for 10 years due to a family history of heart issues and diabetes.
The method for detecting the new designer steroid is being sent to IOC-accredited laboratories throughout the world.\n\n
China's state media, athletes and netizens rallied to support Olympic swimming champion Pan Zhanle
Disgraced Tour de France winner Lance Armstrong would need "something close to a miracle" to get his lifetime ban from cycling re-examined, World Anti-Doping Agency (WADA) president John Fahey said on Tuesday.
The National Anti-Doping Agency (NADA) Director General Navin Agarwal confirmed that they found two samples taken fromNarsingh Yadav positive for dope.
Britain's Sunday Times and Germany's ARD say the results from the database of the sport's governing body, the International Association of Athletics Federations (IAAF), show evidence of widespread cheating among long distance runners.
The World Anti-Doping Agency (WADA) has voiced its disappointment with Tuesday's decision by the judge in Spain's "Operation Puerto" doping trial to destroy all the evidence from the case instead of making it available to other sports bodies and said it is considering an appeal.
Russia's weightlifting team has been barred from competing at the Rio Olympics in August over doping offences, the sport's governing federation said on Friday.
Russian track and field athletes look certain to miss out on this year's world championships after an IAAF task force recommended on Monday that the country's ban should run until November.
"The IAAF's delaying publication for so long without good reason is a serious encroachment on the freedom of publication," the researchers said in a statement.
Hima Das has been provisionally suspended by the National Anti-Doping Agency (NADA) for three whereabout failures in 12 months.
More than 100 athletes were caught doping and sanctioned in the months leading up to the London Olympics in a drive to eliminate cheats before they reach the Games, the World Anti-Doping Agency (WADA) said.
While handing down a four-year ban on Narsingh Yadav, the Court of Arbitration for Sports has ruled that the wrestler failed to produce any 'real evidence' regarding the sabotage theory he had advanced and the balance of probabilities was that he orally took the banned substance intentionally in tablet form on more than one occasion.
The World Anti-Doping Agency has added out-of-competition use of glucocorticosteroids that include powerful anti-inflammatory medication cortisone, often taken as injection by injured cricketers, to its Monitoring Programme, along with nicotine.
On Wednesday, the Indian Weightlifting Federation (IWF) wrote to the sports ministry to comply with the High Court order.
Heavyweight world boxing champion Tyson Fury has tested positive for cocaine, ESPN reported on Friday citing a leaked letter sent by the Voluntary Anti-Doping Agency (VADA).
International Cycling Federation (UCI) president Pat McQuaid enjoys the support of the International Olympic Committee despite the sport's tarnished image and the UCI's bitter row with the World Anti-Doping Agency, the IOC said.
The final version of a report which has already revealed a system of state-sponsored doping in Russia is still several months away, its author Richard McLaren said on Friday.
The International Tennis Federation (ITF) has expressed its disappointment at the Court of Arbitration for Sport (CAS) decision to clear French player Richard Gasquet of doping after he tested positive for cocaine.
Caught in the dope net, Asian Games bronze-medallist javelin thrower Davinder Singh Kang on Sunday said the failed result is because of a declared medication he took for sore throat and he is confident of being cleared in the disciplinary hearing.
15-year-old Russian skater Kamila Valieva tested positive for the banned heart medication trimetazidine in a sample collected on Christmas Day
Three more Indian weightlifters have tested positive for doping, taking the latest positive tests to five, and the national body is now facing another suspension. Male lifters Harbhajan Singh and Rajesh Kumar and female Bijaya Devi were caught in World Anti-Doping Agency (WADA) tests at a training camp for the Commonwealth championships.
Jamaica's twice Olympic 200 metres champion Veronica Campbell-Brown was suspended by her national federation on Tuesday following a positive test for a banned diuretic at a meeting last month.
A summary of sports events and persons who made news on Thursday.
Alberto Contador is free to compete again after Spain's cycling federation (RFEC) lifted his one-year doping ban on Tuesday but the Tour de France champion still faces the threat of possible appeals by two global bodies.
Tennis aces Mahesh Bhupathi and Sania Mirza have urged the Indian cricketers to shrug off all apprehension about the vexed 'whereabouts' clause in the World Anti-Doping Agency (WADA) code and sign on the dotted line.
Sprinter Dwain Chambers and cyclist David Millar were cleared to compete in this year's London Olympics after the British Olympic Association's (BOA) lifetime Games ban on drug offenders was overturned by the Court of Arbitration for Sport on Monday.
British Olympic 4x100m relay silver medallist Chijindu Ujah's B-sample has also confirmed an Adverse Analytical Finding (AAF) and his case will be referred to the Court of Arbitration for Sport, the International Testing Agency (ITA) said on Tuesday.
West Indies all-rounder Andre Russell was banned on Tuesday for one year for a doping whereabouts rule violation.
NADA Director General Rahul Bhatnagar said that the WADA had filed an appeal against the reduced penalty and the matter would come up before the NADA Appellate panel on February 15.
Lance Armstrong may be ready to admit to doping and say sorry for his actions but his old nemesis, former-World Anti-doping Agency (WADA) chief Dick Pound, does not expect any apologies coming his way.
The Board of Control for Cricket in India on Monday rejected the contention of the World Anti-Doping Agency in Pakistan that it has violated of the global body's rules by prematurely identifying Pakistani paceman Mohammad Asif who failed a dope test during the Indian Premier League in India. BCCI's chief administrative officer Ratnakar Shetty said the Board has followed all the correct procedures and taken the right step by naming Asif.
Italian anti-doping authorities have called for two-year bans on 26 athletes, including Olympic bronze medallist Fabrizio Donato and European champion long jumper Andrew Howe, for allegedly failing to provide doping samples.
Athens Olympics silver medallist Rajyavardhan Singh Rathore says instead of clashing with WADA on the 'whereabouts' clause, the ICC and BCCI should formulate a dope testing norm that is better suited to the sport and ensure regular testing to keep the sport free of dope-criminals.
Russian Olympic medallist Alexander Krushelnitsky has denied taking a banned substance in a suspected doping case that has rocked the Pyeongchang Winter Games and could imperil Russia's efforts to regain its full Olympic status.
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