World Anti-Doping Agency (WADA) has decided to launch an independent review of its own decision to allow 23 Chinese swimmers to participate in Tokyo Olympics 2020.

WADA launches independent review of its decision to allow Chinese swimmers in Tokyo Olympics

The United States Anti-Doping Agency (USADA ) has demanded an investigation into the World Anti-Doping Agency's (WADA) decision to not act on Chinese swimmers who tested positive for a banned substance.

USADA demands investigation into WADA for allowing Chinese swimmers to participate in Tokyo Olympics

Mo Farah repeatedly denied to the United States Anti-Doping Agency taking a legal supplement prior to the 2014 London Marathon, before changing his account once he learned the doctor who injected him had told the investigators he had taken it, the BBC reported on Monday.

Farah in controversy over 2014 London Marathon injection row

Olympic medal winner Lobintsev was using meldonium for the past seven years, prescribed to him by Russian doctors to strengthen his heart

US Anti-Doping Agency: Banned Russian swimmer tests positive for meldonium

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