The 22-year-old from Odisha has long lived with the condition which naturally produces high testosterone levels and for a year saw her unable to run in International Association of Athletics Federations (IAAF) competition.
Disgraced former Tour de France winner Jan Ullrich admitted that he underwent blood-doping procedures under the guidance of a Spanish doctor at the heart of a major drugs scandal.
FIFA has rejected a demand from a presidential candidate to use transparent voting booths at next week's election to ensure delegates do not photograph their ballot papers when they choose the head of football's world ruling body.
Former Olympic swimming champion Park Tae-hwan is confident of winning a medal at next month's Rio Games despite the lack of preparation time following his qualification drama.
South African Caster Semenya's long and controversial reign as the queen of middle distance running looks set to be ended this year not by a track rival but by a new hyperandrogenism rule that will stop her from running 800 and 1500 metres races.
Swiss prosecutors have opened a criminal investigation into Jerome Valcke, the banned former FIFA secretary general, and Nasser Al-Khelaifi, the chief executive of Qatar's beIN Media, over World Cup broadcasting deals.
Real Madrid and city rivals Atletico have dismissed reports in Spanish media of a possible FIFA ban from the next two transfer windows over breaches of rules on the signing of foreign Under-18 players.
Testosterone is a hormone that increases muscle mass, strength and haemoglobin, which affects endurance.
'Physically I am alright, there is a little bit of pain, but nothing a massage can't cure, I'm taking it easy," Bolt said of his condition two days after finishing third despite clocking his season's best-equalling 9.95 seconds in the 100m final'
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.
Sheffield United's David McGoldrick scored twice as they stunned Chelsea with a 3-0 win at Bramall Lane on Saturday, loosening the visitors' grip on a Premier League top-four place. Raheem Sterling struck a hat-trick as Manchester City crushed Brighton 5-0 at the AmEx Stadium in the Premier League on Saturday.
Chanu has decided to present her case before the hearing panel of the International Weightlifting Federation (IWF) in Hungary.
Chelsea may still take their case to the Court of Arbitration for Sport, as other clubs have done in the past.
Pakistan's provisional squad for the World Cup in the West Indies also included Shabbir Ahmed who last month completed a 12-month ban for having an illegal bowling action.
The administrator of the Tennis Anti-Doping Programme denied it had sought a four-year ban for the former world number one and, in a statement, rejected suggestions by the Russian that its independent tribunal was "not neutral"
Widely expected to clinch one last medal for India at the Rio Games, London Olympics bronze-medallist Yogeshwar Dutt is trying hard not to let the Narsingh Yadav episode affect him ahead of the men's 65kg freestyle event on Sunday. A day after an unassuming Sakshi Malik became the heartthrob of the nation by becoming the first Indian woman wrestler to win an Olympic medal when she opened India's tally with a bronze, doping cloud began to haunt the grapplers again as Narsingh was slapped with a four-year ban for testing positive for banned substance.
"I have been on teams where people have failed a drug test, accidentally and through no fault of their own. I would never call them cheats. It seems to be very hypocritical."
Former American great Chris Evert has no issue with tournaments handing Maria Sharapova wildcard entries as the Russian former world number one makes her way back from a doping ban, she said on Wednesday.
Veteran American Kristin Armstrong claimed a third consecutive road time trial gold to deny former Russian doper Olga Zabelinskaya what would have been a controversial triumph on a rain-soaked course at the Rio Games on Wednesday.
The United States is expected to run away with the athletics competition in Rio, taking podium spots often the preserve of Russians such as double pole vault gold medalist Yelena Isinbayeva and 110m hurdles world champion Sergei Shubenkov.
The IAAF ruling body of athletics is proactive in tackling doping and not protective of drug cheats, according to president Sebastian Coe.
The 23-year-old world champion crossed the line in the Ras al-Khaimah half marathon three seconds quicker than the mark set by fellow Kenyan Florence Kiplagat in Barcelona two years ago, although the new record remains subject to ratification.
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Summary of all that transpired on and off the football field
Shoaib Akhtar believes the dope saga is behind him despite the matter lying before the Court of Arbitration for Sports
The case is closed after WADA said it would take the matter to the Court of Arbitration for Sport.
News of all that's transpired on and off the football field
Russian swimmers Vladimir Morozov and Nikita Lobintsev have launched an appeal against the ruling banning them from next month's Rio Olympic Games even though they have never failed a doping test.
Touching home in a time of 3:42.44, Sun held off a storming swim from Olympic champion Horton, who had failed to even qualify for the event at the Australian trials but was added to the squad as a discretionary pick.
While some say the five-times Grand Slam champion, initially banned for two years after testing positive for Meldonium, has done her time some fellow players are angry the red carpet is being rolled out.
At the medal ceremony, Scott shook hands with fellow bronze medallist Martin Malyutin of Russia, who finished with the same time as the Briton, but then completely cold shouldered Sun, refusing to make eye contact and not offering a handshake.
The Olympic champion in women's 800m, feels sorry for Dutee Chand since the Indian, just like her, is facing a gender test row.
Former French football great Michel Platini, until recently seen as the man to lead soccer's governing body FIFA out of its worst ever graft crisis, could face a life ban from the sport if recommendations from FIFA ethics investigators are followed.
Suspended FIFA president Sepp Blatter and European soccer chief Michel Platini have lost their appeals against provisional 90-days bans by the global soccer body's ethics committee, FIFA said on Wednesday.
Continuing to back dope-tainted wrestler Narsingh Yadav, a top Wrestling Federation of India official on Friday claimed the 74-kg freestyle wrestler would have clinched the silver medal had he taken part in the Rio Olympics instead of being banned for four years by the Court of Arbitration for Sport (CAS).
Lance Armstrong has pleaded guilty to careless driving for side-swiping two parked cars in the Colorado ski resort of Aspen late last year in an incident for which his girlfriend initially took the blame, authorities said on Wednesday.
The IAAF's Doping Review Board has turned down applications from 67 Russian athletes to compete internationally as "neutral" individuals, following a blanket ban on the country's track and field athletes for systematic doping.
In a massive heartbreak for India, wrestler Yogeshwar Dutt slumped to a shock defeat in the men's 65kg freestyle qualification round bout against Ganzorigiin Mandakhnaran of Mongolia at the Rio Olympic Games.
She should win her place thanks to good results, says Radwanska
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