Bach said the International Olympic Committee had limited means of action.
A summary of sports events and sports persons, who made news on Tuesday
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.
Norwegian cross-country skier Therese Johaug says she is 'devasted' after her country's skiing federation confirmed the 28-year-old had returned a positive test for a banned substance found in sunburn cream on Thursday.
96 sportspersons returned positive in 2013 while the number of dope offenders in 2014 and 2015 were 95 and 120 respectively.
Russia is ready to carry out an investigation into doping allegations against its athletes in concert with independent organisations, Interfax news agency quoted Sports Minister Vitaly Mutko as saying on Friday.
The IWF said the samples of Oleg Chen and David Bedzhanyan, who are also serving provisional suspensions for separate potential anti-doping violations, contained the same anabolic agent found in Evstyukhina's sample.
The World Anti-Doping Authority's prescribed testing is 'ineffective' at catching drug cheats and should be supplemented by criminal penalties for athletes who refuse to cooperate with investigations, Australia's Olympic chief has said.
The verdict in Maria Sharapova's appeal against a two-year doping ban will be announced by the Court of Arbitration for Sport (CAS) on Tuesday.
'We are now able to confirm a cover up that dates back until at least 2011 and continued after the Sochi Olympic Games. It was a cover up that evolved from uncontrolled chaos to an institutionalised and disciplined medal-winning conspiracy'
FINA has ruled that seven Russian swimmers, including breaststroke medal hopeful Yulia Efimova, are ineligible to compete in the Rio Olympics, world swimming's governing body said on Monday.
There was a gap of more than two months between Prithvi Shaw's sample collection and the final report from National Dope Testing Laboratory.
The Kremlin said on Monday it welcomed the decision by the International Olympic Committee (IOC) which allowed clean Russian sportspeople to compete in next month's Rio Olympics.
The IOC said it had not detected any significant abuse of clenbuterol after finding "very low levels" of the banned substance during re-testing of samples from the Beijing Olympics.
Twinkle Chaudhary tested positive for Methyltestosterone, a banned anabolic steroid.
The IOC seems reluctant to ban the entire Russian team from next month's Olympic Games, despite mounting concern over doping violations, the co-author of the report that led to Russia's ban from track and field events said on Wednesday.
The Wrestling Federation of India (WFI) has issued a show-cause notice to Vinesh Phogat, citing indiscipline and anti-doping rule violations, rendering her ineligible for domestic competitions until June 2026.
Former Australia captain Tim Paine has slammed the lack of transparency surrounding Kagiso Rabada's failed drug test.
So, what's the solution to the latest controversy to hit Indian cricket? Are the Indian players and BCCI are right in not signing the anti-doping code? Should the players fall in line and sign up for the clause like all the other top athletes around the world?
The World Anti-Doping Agency cut the doping ban on Russian Liliya Shobukhova by seven months on Monday, saying the marathon runner had provided "substantial assistance" and was eligible for a lighter sentence.
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.
'WADA had never intervened in Narsingh's matter and no clearance is required.'
'It feels emotional because only me and the people who are close to me know exactly what we have been through on and off the court, and it has been everything except easy.'
A new Kenyan television programme that corroborates the findings from a 2012 German documentary alleging unethical doctors were providing banned drugs to athletes, has set off alarms at the World Anti-Doping Agency.
Sinner plays down split with trainer and physio ahead of Wimbledon
A union representing British sportsmen and women has launched legal action in Switzerland to try to ensure more sympathetic treatment for athletes caught using recreational drugs.
Australian Olympic champion rower Kim Brennan has spoken of her deep disappointment that her integrity as a clean athlete has been called into question over a shot of adrenaline administered in a medical emergency.
Doping: India records highest number of adverse findings among countries with 2000 or more tests
Wrestler Yogeshwar Dutt's bronze medal from the London Olympics was upgraded to silver after silver medallist from the 2012 Games -- deceased Besik Kudukhov of Russia -- was stripped off his medal for using banned substance.
Russia could be banned from participating in the Pyeongchang Winter Olympics if proposed changes to the World Anti-Doping Agency Code announced on Thursday are fast-tracked.
BCCI finally agreed to come under the ambit of NADA, in the process becoming a National Sports Federation despite being financially autonomous.
In the full decision posted on CAS's website and made public on Wednesday, CAS said Sun Yang had sought to shift blame to testers and his entourage and taken no responsibility for his actions.
Lamine Diack, the former president of the International Association of Athletics Federations (IAAF), was responsible for organizing and enabling the conspiracy and corruption that took place in athletics' governing body, an independent commission of the World Anti-Doping Agency (WADA) said on Thursday.
The Wrestling Federation of India (WFI) has appealed to the Supreme Court against a Delhi High Court order that permitted wrestler Vinesh Phogat to participate in the selection trials for the 2026 Asian Games.
Kamila Valieva failed a drug test for a banned substance before the Games.
The World Anti-Doping Agency banned Russia from the world's top sporting events for four years, a period that includes the next summer and winter Olympics and the 2022 World Cup in Qatar, for tampering with doping-related laboratory data. The sanctions against Russia, the host of last year's soccer World Cup, also bar it from hosting major sporting events for a four-year period or applying to host new events in that period.
London organisers expect more than 6,250 samples will be analysed throughout the London Games and Paralympic Games, up to 400 each day, which is more than at any other Games.
Top athletics coach Alberto Salazar and US Olympic silver medallist Galen Rupp have denied any wrongdoing after a BBC documentary accused them of violating anti-doping rules.
Sri Lanka wicketkeeper Kusal Perera has had all anti-doping charges brought against him dropped by the International Cricket Council (ICC) after the Qatar-based laboratory that conducted the test withdrew its initial finding.
