The results of Jon Jones' B sample from a test administered on June 16 has confirmed the presence of a banned substance, United States Anti-Doping Agency spokesperson Ryan Madden confirmed to ESPN on ...

Ryan Garcia's B-sample tested positive for a banned substance, ESPN reported Thursday, but the boxer's legal team and promoter pointed to a negative hair sample as proof he had not violated rules.

Ryan Garcia has taken a big step regarding his positive drug test. Garcia’s camp on Monday sent in a letter to the Voluntary Anti-Doping Association (VADA) requesting that his B-sample be analyzed.

The case, involving multiple swimmers who seven months later won medals at the 2021 Games, prompted accusations of a cover-up and concerns over why antidoping regulators chose not to intervene. Zhang ...

BIGBANG’s G-Dragon, who is being suspected of drug use, tested negative for the drug test done on his hair sample. According to Yonhap News on November 20, the National Institute of Forensic Science ...

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