Disgraced former sprinter Ben Johnson, who had his 100m gold and world record at the 1988 Olympics stripped after testing positive for steroids, has claimed a book due in September will provide new evidence that he was a victim of sabotage.
Sun Yang became the first Chinese swimmer to win the Olympic men's 200 metres freestyle gold medal on Monday.
The suspense over wrestler Narsingh Yadav's participation in the Rio Olympic Games was prolonged further after the National Anti-Doping Agency deferred its final verdict on the doping scandal to Monday.
Sports Minister Vijay Goel has hinted that Narsingh Yadav's prospects of participating in the Rio Olympics is virtually over, but said the wrestler will be given a fair chance to defend himself.
Jones's lawyer Joseph Burton had accused the USADA and the U.S. Olympic Committee (USOC) of creating a "witch-hunt."
The Olympic Games' central sport is tarnished and discredited even as officials have scrambled to defend its credibility.\n\n
Kalyani Alapati and Jagdish Basak, who tested positive for nandrolone were handed two-year bans.
Summary of sports events and persons who made news on Friday
Spanish doctor Eufemiano Fuentes, on trial for allegedly masterminding a doping ring in cycling, will not be obliged to identify any of the clients whose frozen blood was found in bags seized by police, the judge in the case ruled on Wednesday.
The Mitchell Report came up with details of widespread use of steroids in America's pastime.
"The CAS Panel found it more likely than not that the origin of the prohibited substance was contaminated beef consumed in a restaurant the day before the test," sport's highest court said in a statement.
Jan Ullrich, Ivan Basso and Francisco Mancebo were named in a doping investigation in Spain
NRI sentenced for 5 1/2 years for producing fake Viagra
As long as athletes have sought to run faster, jump higher or throw further than their opponents the more unscrupulous have resorted to dubious means.
Having sex every other day may be optimum, says Dr Raghuveer Karne. Prolonged abstinence can increase the number of dead sperm.
Highlights of the guidelines include emphasis on ongoing monitoring and management of asthma, routine use of inhaled corticosteroids as the standard of care for most patients with chronic persistent asthma, distinguishing between managing acute and chronic asthma, and the identification of new risk factors for the disease.
A summary of sports events and persons who made news on Thursday
Narsingh Yadav's chances of making it to the Olympics will be known on Thursday. The National Anti-Doping Agency's disciplinary panel adjourned its hearing on the dope scandal surrounding the wrestler on Wednesday evening, even as he failed a second dope test and lodged a police complaint against two fellow-grapplers.
Sport's highest tribunal began a four-day hearing, on Monday, which could result in three-times Tour de France champion Alberto Contador being stripped of his 2010 title for doping.
Tour de France winner Alberto Contador and the Tour of Spain runner-up Ezequiel Mosquera were suspended for suspected doping on Thursday in a devastating blow to cycling's battered image. The suspensions set back the sport's efforts to restore its credibility after a string of high-profile drugs cases.
Summary of sports events and persons who made news on Wednesday
A look at the 10 cricketers who were punished for drug related offences.
U.S. prosecutors indicted a former professional American cyclist on Thursday for lying about past use of steroids before the BALCO grand jury investigating doping in professional sports.
Hungarian Olympic discus champion Robert Fazekas will lose his gold medal and be expelled from the Games after breaking doping rules.
UEFA president Michel Platini hit out at FIFA chief Sepp Blatter on Friday, saying the Swiss has stopped serving the cause of football.
Summary of sports events and persons who made news on Wednesday
A summary of sports events and sports persons, who made news on Saturday
Hosts Brazil won their first gold of the Rio 2016 Summer Games after Rafaela Silva won the women's-57kg judo event on Monday. Another country to open their 'gold account' was Croatia, thanks to trap shooter Josip Glasnovic's superb effort in the shoot-out.