Aquatics GB ‘extremely concerned’ about China positive drugs tests April 23, 2024 The country’s governing swimming body Aquatics GB has said it is “extremely concerned” by 23 Chinese athletes being cleared to compete at Tokyo 2020 despite testing positive for a banned substance before the Olympics. The swimmers tested positive for trimetazidine (TMZ), which is a heart medication used to prevent angina attacks, at a training camp [...]