Reports have surfaced that Kamila Valieva, 15, tested positive for a heart drug called trimetazidine, which can boost athletes' endurance and blood efficiency.
Reports have surfaced that Kamila Valieva, 15, tested positive for a heart drug called trimetazidine, which can boost athletes' endurance and blood efficiency.
Olympic figure skating favorite Kamila Valieva practiced as usual Thursday morning at the Beijing Olympics, despite reports that the Russian 15-year-old has tested positive for a banned substance. The Russian
Reports have surfaced that Kamila Valieva, 15, tested positive for a heart drug called trimetazidine, which can boost athletes' endurance and blood efficiency.